Answer:
B or 31r-71
Step-by-step explanation:
First, use distributive property to expand the first term.
30r-66-(5-r)
Remove the parenthesis of the third term:
30r-66-5+r
Combine like terms
31r-71
Answer:
101
Step-by-step explanation:
41+38=79
180-79=101
Answer:
thats correct!
Step-by-step explanation:
3/2 R = 12
R = 12 / (3/2)
R = 18
Answer:
C≈40.84
Step-by-step explanation:
C = 2πR
