Answer: c. Level of Significance
This is the alpha value
alpha is a greek letter with the symbol 
A type 1 error is when the researcher rejects the null, but the null was true (meaning the researcher shouldn't have rejected the null).
Answer:
hypotenuse(h)^2 = 3^2 + 7^2
h^2 = 9 + 49
h = √58
h = 7.6
Answer:
-11r
Step-by-step explanation:
Because it is simple algebra, can't really explain
Range is the set of all output values.
Answer:
x = 2
Step-by-step explanation:
-5(x + 2) = -20
-5x - 10 = -20
-5x = -20 + 10
-5x = -10
x = -10/-5
x = 2