Answer:
D. 18
Step-by-step explanation:
change 20% to decimal by dividing by 100.
20/100 = 0.20
Now multiply by 90.
90 x 0.20 = 18
Answer:
the volume of a hemisphere with a radius of 5 feet is 261.67 cubic feet.
Step-by-step explanation:
Both of these equations are parallel. This is due to them both having "2x" as their "mx". (y=mx+b, or in this case, y=b+mx)