Answer:
a. 9%
b. 0.01445
c. 12.02%
Step-by-step explanation:
n = 5 years
Return rates = 14%, –9%, 16%, 21%, and 3%
a. Arithmetic average return

b. Historical variance (to 5 decimal places)

c. Standard deviation.

Hours spent on project= p
4p+2=16 hours
4p=14
p=3 and a half hours
Slope is 12/6=2
y+6=2(x+4)
y=2x-2
The area of the postal box base is 231.04 cm^2.