61 degrees, hope this helps!
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: B. −9
Step-by-step explanation: -7--(-2)
−7+−2
−9
Answer:
1 1/3
Step-by-step explanation:
First, distribute the parenthesis.
Second, multiply the fractions.
Third, add the 2 values together to get your answer in improper form.
Lastly, turn the improper fraction into mixed form.
Point a is at (0,-4) and point b is at (-8,-7) :)