Answer:
d 20
Step-by-step explanation:
0.5*b*h i guess so good luck
Answer:
Def’s area is 800
Step-by-step explanation:
Answer: 
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Work Shown:

Explanation: I replaced every x with h(x) in step 2. In step 3, I replaced h(x) with 2x+5 just on the right hand side only. From there, expand and simplify.
If we are trying to find the total all we have to do is multiply 5 by 6 then add 8.3
5 x 6 = 30
30 + 8.3 = 38.3
Hope this helps
-AaronWiseIsBae
See the attached picture.