Prepared STEM education videos and activities for homeless children in Boston.
A person with AB blood type has(A) both A and B antigens on the surface of the red blood cells(B) both A and B antigens circulating in the plasma(C) 0 antigens circulating in the plasma(D) no antigens on the surface of the red blood cells(E) no antibodies on the surface of the red blood cells
Classify each of the following statements as either true or false.If $p+q=-17,$ then $-p+(-q)=17$
Classify each of the following statements as either true or false.To factor $x^{2}-4 x-60,$ consider only pairs of negative factors of $60 .$
Factor completely. Remember to look first for a common factor. If a polynomial is prime, state this.$$x^{2}+6 x+5$$
Factor completely. Remember to look first for a common factor. If a polynomial is prime, state this.$$y^{2}+12 y+27$$
