Which polynomials are prime? check all of the boxes that apply.
x2 9
x2 – 9
x2 3x 9
–2x2 8

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?

Select all the expressions that will include a remainder.

Ten members of balin's soccer team ran warm ups for practice. each member ran the same distance. their combined distance was 5/6 of a mile. to find the distance that each member ran, balin wrote the expression below.