7. e and f
9. c.
sorry didn't understand 8
20% was, so 100%-20%=80% was not
80%=0.8
0.8*4000=3200 acres was not
Solving the expression
we get -29
Step-by-step explanation:
We need to simplify 
Solving:

Using DMAS rule




So, solving the expression
we get -29
Keywords: Solving the expression
Learn more about Solving the expression at:
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UW and VW are the same so 9
22.5-4.5= 18 then divide the 18 by 2 so 9
The answer is 500,000 because you have add a zero sense it's times 10