Answer:
A. 60.5 
Step-by-step explanation:
A = 1/3(area of base)(h)
= 1/3(22)(8.25)
= 60.5 
Answer:
55%
Step-by-step explanation:
11/20 = 0.55
0.55 = 55%
The mean increases when the outlier is removed
Answer: 2.852 × 10-1
Step-by-step explanation:
7.13 x 10^-3 = 0.00713
0.00713 x 40 = 0.2852
0.2852 = 2.852 × 10-1