8.9% is equal to 0.089 because a percent is over a 100. So, you can just multiply the ROI by the investment to get:
Your answer is:
$712.
Your answer should have been 3850 in^2
1^2/5^2 = 1/25
1/25 = 154/x
1x= 154 (25)
1x/1= 3850/1
x= 3850
Answer: 0.00215
Step-by-step explanation:
10^-3 =0.001
2.8 • 0.001 - 0.00065
=0.00215
I think it is 32, bc the value of x is 20 so your problem would look like this; 2 ( (20) - 4 )