Answer:

Step-by-step explanation:
Given : The formula for the area of a trapezoid with altitude k and bases m and n is 
We have solve for m .
Consider the given formula 
Multiply both side by
, we have,

Now subtract n both side, we have,

Thus, 
Mrs. Annie went to a store, spent half of her money and then $10 more. She went to a second store, spent half of her remaining money and then $10 more. But she then had no money left. How much money did she have to begin with when she went to the first store?
Answer: $60
9x3x8/92=2.347 and that rounded =2.35.
Answer:
I think it is c 266.3 cubic centimeters
Step-by-step explanation:
Hope this helps
Its already in simplest form u cant simplify it hope this helps!!