How to find the height of a parallelogram on a coordinate plane

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

What is the equation of the line in point-slope form? y+ 4 = 1/2(x+4) y-4 = 1/2(x + 4) y-0 = 2(x - 4) y-4 = 2(8-0)