For what value of "a" will the product show below have a purely imaginary value? (with work )
(4+5i)(a+2i)

What is the value of x divided into y - z if x = 32, y = 4, and z = 2 3/4?

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?

Which graph represents the linear function below? y-3=1/2(x+2)