Find the area of the trapezoid

a. 70 in^2
b. 77.2 in^2
c. 75 in^2
d. 80 in^2

ANSWER

A. 70 in^2

EXPLANATION

The area of a tra-pezoid is

Substitute the side lengths into the formula to obtain,

Simplify the parenthesis

Cancel out the common factors,

=10×7

Simplify

The correct answer is A

146%

step-by-step explanation:

5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10