Answer:
4ft
Step-by-step explanation:
500=pir^2h
r^2=500/(10*pi)
r=3.989ft
900,000=10*90,000
So there are 90,000 tens in 900,000.
Answer:

Step-by-step explanation:

Answer:
B) -7
Step-by-step explanation:
x+y
8+(-15)=8-15=-7
Answer:
60 degree
Step-by-step explanation:
I don't know the process though