Question

PLEASE HELP! I REALLY NEED THIS ANSWERED!!!

Answer 1

= 30mn^4

Explanation:

The area of a trapezoid

A = 1/2 (a+b) *h

where a and b are the top and bottom

A = 1/2( 3mn^2+ 9mn^2) * 5n^2

Combine like terms

A = 1/2(12mn^2) * 5n^2

=6mn^2 * 5n^2

= 30mn^4