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Question 3

C.

Question 4

D.

Step-by-step explanation:

Question 3:

Equation of line in point slope form is given as:

Plug m = 1/2, in the above equation, we find:

This is the required equation of the line.

Question 4:

Equation of line in point slope form is given as:

Plug m = 3, in the above equation, we find:

This is the required equation of the line.

$450

step-by-step explanation:

first, you have to multiply 150x2=300

next, you have to add 150+300= 450