Answer:
7a+2a=9a
Step-by-step explanation:
You distribute the a to each of the numbers in the parenthesis. Which means that you multiply. You should be left with a 7a+2a. Then since 7+2=9, your answer is 9a. So answer 1 is correct because they do these exact steps.
C = 2pi*r
If we rearrange the terms to make r the subject,
We get r = C/2*pi
Hope it helps :)
Answer:
It would be <u>1/7</u>
Because since it’s 2/7, half of 2 is one
Oh ok so the answer is .666666666666 etc infinite 6s
If you do 1800 divided by 300, the answer is 6 hours
