1.

The base can't be negative, therefore
.
2.

3.

Important information:
The string is 8.5 inches long.
1 inch = 2.54 centimeters
How to solve:
Multiply both sides by 8.5 to get 8.5 inches = x centimeters.
2.54 • 8.5 = 21.59
Answer:
8.5 inches equals 21.59 centimeters.
Hope this helps! :)
Ratios equivalent to 5:1 are
10:2
15:3
Answer:
90k-20k = 70k they had 1709 interest money
Step-by-step explanation:
The answer is B. He is incorrect because he should have only 5 factors of 3.