Answer:
C
Step-by-step explanation:
First find how many games they need to have 90% by multiplying .9(30)=27
then, 15(.8)=12
Then 27-12=15
The formula for the volume of a sphere is

. Plugging in 4.7 for your radius, we get

, which is roughly 29.453π≈92.530.
9/12 so 12 triés because 9*3=27 so you then have to multiply 4*3*12
Answer:
80/1 1/4 (Fraction)
Step-by-step explanation:

Answer: the range of two distributions are the same
Step-by-step explanation:
So the last one