I guess it's A -4 sorry if it's wrong answer
Answer:
Step-by-step explanation:
4:12= 1:3
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.

Answer:
Petra would need to save for 12 weeks to get 126
126+34.75=160.75
Answer: he completed he completed 103.5 push ups in 45 seconds