Answer:
= 30mn^4
Step-by-step 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
see attachment
I believe the answer should be graph J
The graph is shown in the image above.
