Answer:
The value is 
Step-by-step explanation:
From the question we are told that
The sample size is n = 20
The sample mean is 
The standard deviation is 
Generally the standard error of the mean is mathematically represented as
=> 
=>
Answer:
G. 66 feet
Step-by-step explanation:
Radius = 21/2 = 10.5
Circumference
2 × 3.14 × 10.5
65.94 feet
The greatest common factor of 26 and 14 is 2.
Answer:
B. The system of equations has no solution.
Step-by-step explanation:
Parallel lines never touch, in order for a system of equation to have a solution the two equations have to intersect, because parallel lines never intersect the system of equations that Presley graphed would have no solution
