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I am an undergraduate student at Amherst College. I will be a junior in the fall and I am pursuing a biology degree. I have an interest in tutoring and teaching and hope to be able to help others who are trying to learn biology. I look forward to answering questions and assisting those who need help.

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The total value of a 7 -pound bag of cat food that costs $\$ 1.50$ per pound is_______________

Determine whether the statement is true or false.To add two fractions, add the numerators and the denominators.

Determine whether the statement is true or false.The procedure for subtracting two rational expressions is the same as that for subtracting two arithmetic fractions.

Determine whether the statement is true or false.To add two rational expressions, first multiply both expressions by the LCD.

$$\text { If } x \neq-2 \text { and } x \neq 0, \text { then } \frac{x}{x+2}+\frac{3}{x+2}=\frac{x+3}{x+2}=\frac{3}{2}$$

Simplify.$$\frac{3}{y^{2}}+\frac{8}{y^{2}}$$