Answer:

Step-by-step explanation:
From the question we are told that:
Degree of freedom 
Significance Level 
Generally the expression for critical value t is mathematically given by


Therefore From Students T Value Table


Answer:
Step-by-step explanation:
h(5) = 5 - 7 = -2
g(-2) = (-2)^2 = 4
Answer:
21n=
n-number and since its a number (n) and 21 you would put 21n
The factorization of
is
.
<h3>Factorization;</h3>
Factorization is nothing but writing a number as the product of smaller numbers.
Given
Polynomial; 
To find the factorization the polynomial equates the equation with zero following all the steps given below.
Then,
The factor of the polynomial is;

Hence, the factorization of
is
.
To know more about factorization click the link given below.
brainly.com/question/17595467