Answer:
21
Step-by-step explanation:
think about it this way. if the first group takes 17 hours, and the second group takes 4 hours more than the first group, then how long does the second group take?
Pi r2
17 divide 2=8.5
Then
8.5•8.5=72.25
Then
3.14•72.25=226.865
Then
226.865 divide by 2 =113.4325m2
Three times the difference of a number n and 1
4.5 x 6.2 = 27.9
Hope that helps
Answer:
c
Step-by-step explanation:
reason for is because when you add all the like terms you end up with c
