Answer: B. Subtract 28 from both sides
Explanation: You need to subtract first because the variable needs to be by itself.
1.77245385
that is the answer
Answer: Robert and Chris can skate 10 miles in 45 minutes.
Step-by-step explanation:
Let's start by finding the unit rate.

Robert and Chris can skate
of a mile in 1 minute. Now we can multiply both by 45 to see how far the can go in 45 minutes.

45x1=45
The can skate 10 miles in 45 minutes.
Answer:
she need to buy 9 packs
Step-by-step explanation:
C = 2πr
= 2·3.14·14
= 87.92 m
she need to buy 9 packs