Answer:
He made seven A's.
Step-by-step explanation:
360-220=140
140/20=7
Answer:
False
Step-by-step explanation:
8.001 is not greater than 8.002
4x²+x³
Factor is out x³ expression
The answer is :

Carry learning!
Answer: 756
Step-by-step explanation:
Given : The proportion of adults over 50 never graduated from high school. = 0.23
Margin of error : E=0.03
Significance level : 
Critical value : 
The formula to find the sample size is given by:_

i.e. 
Hence, the required minimum sample size = 756