Answer:
Step-by-step explanation:
turn the 4/3 into a decimal.=1.33
multiply 1.33*3.14=4.1762
i cant see the rest is it r³?
Answer:
D. 14.32
Step-by-step explanation:
The formula for standard deviation is:

The mean μ is 33.
The (x minus μ) squared are 361, 49, 49, 361 respectively.
So that the SD = 
Answer:
3.14
Step-by-step explanation:
A=π*r^2
3.14*(2^2)
3.14*4
12.56/4 (because it's 1/4th a circle)
3.14.
Answer:
36
Step-by-step explanation:
1. Cross Multiply. 
2. Solve. 
3. Your answer is 36