Find the x value do that the line through the points (x,-9) and (0,1) has a slope of -4 answer

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.

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

Louis wants to carpet the rectangular floor of his basement the basement has an area of 864 square feet the width of the basement is 2/3 its length what is the length of lewis's basement