Answer:
60π
Step-by-step explanation:
If the circle has radius of 30 units, substitute r=30 into the formula C = 2πr.
C = 2π(30)
C = 60π
Answer:
B) y ≥ 15
Step-by-step explanation:
Answer:
6.
Step-by-step explanation:
11 + 2k > 19
2k > 19 - 11
2k > 8
k > 8/2
k > 4.
Answer:
Step-by-step explanation:
She began with 20.
If she bought 7 more books and ended up with 17, that means she had ten beforehand. If she had half remaining, we simply double it, thus getting 20.
