Answer:
(B)The GCF of the numbers(28 and 36) in each term in the expression is 4.
(C)The GCF of the variables(a and ab) in each term in the expression is a.
(E)The factored form of the expression is 4a(7+9b)
Step-by-step explanation:
Given the expression: 
If we write it as a product, we obtain:

We can see the following
- The GCF of the numbers(28 and 36) in each term in the expression is 4.
- The GCF of the variables(a and ab) in each term in the expression is a.
- The factored form of the expression is 4a(7+9b)
The correct options are B, C, and E.
Answer:
22.

23.

Step-by-step explanation:
To change the equation to polar form replace x with 
and y with 
Answer:
Step-by-step explanation:
From the information given:
let
be the men of the population 1 (Raymondville) and
be the mean of the population 2 (Rosenberg).
Here the Restaurateur wants to prove that Raymondville residents dine out more often than Rosenberg residents.
i.e 
The null hypothesis and alternative hypothesis:


The shows that this test is one-tailed with the rejection area on the right side.
The appropriate decision: is to reject
if the test statistics is greater than the critical value)
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