Answer:
D. 7.7
Step-by-step explanation:
7.725, 2 does not round up so its left to 7.7
Answer: I did it in the explanation thingy-
Step-by-step explanation:
Step 1. 8792 - 6886 = 1906
Step 2. 12 x 9 108
That... OR the answer is 205848X
Answer: A
Step-by-step explanation: I honestly couldn't tell you how to do this, I don't understand it. I just took the test and got this question correct. The answer is A, (5-7)^2.
The formula for a cone is

insert 20 for your height and rearrange the formula to find the radius. Leave a comment if you need more help.