Por cuanto ay que multiplicar cada de uno los siguientes para que sea equivalente 352 000 000

Simplify this expression. 8x 16(x + y)

Arational number that is equivalent to -20/4?

Parabolas y=−2x^2 and y=2x^2+k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.