Answer:
7(2a +7)
Step-by-step explanation:

Answer:
3.8 million lbs in tons is equivalent to 1900 pounds
Step-by-step explanation:
2000 lbs is equal to 1 ton so 3800000 divided by 2000 equals 1900.
R=21. 21/3=7. To check your answer, you can do 7x3 and it'll equal 21.
Answer:
Step-by-step explanation:
It is C.
Volume-πr^2h
r-11
h-15
11^2*15
=1815π