Help me find the answer please I already know how to do it but we usually use the formula for two bases but this is confusing me because of the third number:(

7.5

Step-by-step explanation:

You will use the 2.5 not the 3 as height.

Area of trapezoid=( A+b/2)*h

(2+4/2)*2.5

(6/2)*2.5

3*2.5

7.5

a precentage of 6th graders. the population is all 6th graders. let me know if i'm wrong, i hope this ! : )

step-by-step explanation:

answer is (b.

164 ft2)

a base  

18

b base  

7

h height  

8