36.54
45% of 81.2 is 36.54.
(9,-5) times 2.5 is (22.5,-12.5)
The answer is (22.5,-12.5)
Hope this helps!
You said that <u> A = 1/2 b h</u>
Multiply each side by 2 : 2A = b h
Divide each side by 'h' : <em>2A/h = b</em>
Answer:
It should be 14400 square inches. Sorry if i'm wrong
