what is the y-intercept of the line perpendicular to the line y = 4/3 x + 1 that includes the point (4, 1)

Answer these questions showing your work plz

Which polynomial function has x intercepts -1, 0, and 2 and passes through the point (1, -6)

David must install fencing around a lot that is shaped like a right angle. the side of lot that runs east-west is 200 ft long. the side of the lot runs north-south is 125 ft long. calculate how many feet of fencing he will need to surround the entire lot.