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QUESTION 12 A person has decided to construct a frequenoy distribution for a set of data containing 60 numbers. The lowest number is 23 and the highest number is 68. If 5 classes are used, the class width should be approximately what? A. 4 B. 12

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Problem 1.4 Linkages are often used to guide devices such as computer keyboards in and out of cabinets. One of such mechanisms is as shown. Make a freehand sketch of the skeleton of the mechanism. Draw the ground link with roughly its own shape and ignore the spring. under drawer swing up mechanism

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A 350 mL solution of 0 150 M HNO 3 aq is mixed with a solution of 230 mL of 0 240 M HCl aq How many moles of H aq are present in the final solution? A. 0.0525 moles H B. 0.0539 moles H C. 0.108 moles H D. 0.195 moles H E. 0.186 moles H 24

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Replace the loading by an equivalent single resultant force (Figure 1). Assume $F_1$ = 130 N and $F_2$ = 260 N. Determine the resultant force. Express your answer to three significant figures and include the appropriate units. Assume the positive direction is upward. ? View Available Hint(s) Figure 1 of 1 $F_R$ = Value Units Units input for part A Submit Previous Answers X Incorrect; Try Again; 4 attempts remaining Part B Specify the x and y coordinates of its line of action. Express your answers in meters to three significant figures separated by a comma. ? View Available Hint(s) $x, y$ = m

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The Texas Constitution grants the __________ veto power, and it is used __________. Group of answer choices governor; actively Speaker of the House; rarely lieutenant governor; actively president pro tempore of the Senate; rarely

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Unaltered bitumens, as commonly found in lead-zinc deposits, have atomic hydrogen/carbon (H/C) ratios that average 1.9 with standard deviation 0.05. Use R to find the probability that the average H/C ratio is less than 1.85 if we randomly select 25 bitumen samples. (Round your answer to four decimal places.)

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Q1 - Charitable Donations Tax Credit (6 points) Saba Aaron has a net income of $ 300,000 and taxable income of $250,000 in 2023. During the year, she makes eligible charitable donations of $120,000. Determine Ms. Saba's 2023 charitable donations tax credit. (NB. The threshold for 2023 is $235,675) Q2 - Taxable Benefits (Employer-owned Automobile) - (7 points) Ms. Rekia Shamir is provided with an automobile by her employer. The employer acquired the automobile in 2022 for $38000, plus $2000 tax. During 2023, Ms. Shamir drives the automobile a total of 44,000 kilometers. Business use accounted for 26000 kilometers, and 18000 were for personal use. The automobile is available to Ms. Shamir throughout the entire year. Calculate Ms. Shamir's minimum 2023 taxable automobile employment benefit. Q3-Medical Expenses (7 points) Ms. Hansika and her spouse, Mr. Kumar, have 2023 medical expenses totaling $4000 and $2000 respectively. Regarding their income, Ms. Hansika has 2023 net income of $100,000, and Kumar's net income is $2000. They have two children, Anna is 11, has 2023 medical expenses of $3,500, and no income. Bedir is 22, has 2023 medical expenses of $7,000, and net income of $9,500. Ms. Hansika pays all of the medical expenses. What is the medical expense tax credit for 2023. (NB. The threshold for 2023 is $2635)

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What do we call the response of the immune system when it attacks cells of the host? parasite infestation autoimmune condition viral replication infectious disease

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To find the maximum willingness to pay (wage) for worker 20, we substitute L=20 into the equation W = 40 – 0.5L.

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Question 9 (1 point) Solve. A railroad tunnel is shaped like a semi-ellipse. The height of the tunnel at the center is 27 ft and the vertical clearance must be 18 ft at a point 20 ft from the center. Find an equation for the ellipse. $\frac{x^2}{729} + \frac{y^2}{729} = 1$ $\frac{x^2}{720} + \frac{y^2}{824} = 1$ $\frac{x^2}{720} + \frac{y^2}{729} = 1$ $\frac{x^2}{400} + \frac{y^2}{729} = 1$

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