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.
Hi! This is the solution of your equation!
Answer:
1) The download speed for AT&T is 1,800
2) The download speed for Bidmore is 1,500
3) The download speed for Comcast is 1,680
4) AT&T has the best download speed out of the three.
5) They will go through the origin and be a proportional line.
Step-by-step explanation:
Answer:
the second one (Diego)
Step-by-step explanation:
7a-3a
5b+4b