Because it will be half2 standard deviation which will include 500-700.
2std will include from 300-700.
so it will be half of 95%.
I believe the answer is 375
(32ft/s)(60s/min)(yd/3ft)=640 yds
Answer: C) 
Step-by-step explanation:
First we need to calculate the area of the square base.
This is 7*7 which equals 49 cm squared.
Plug this value into the formula of a square pyramid which will be
, now plug in the h, which is 9 cm.

Now solve.
V = 147 cubic cm.