Which shows the simplified form of the expression below? 90y^4-120y-360y^3+30y^2 Show all steps you took to get the answer

Angle that produces maximum distance

Which is the graph of the following inequality?

40 points which is the equation of a line perpendicular to the line with the equation: y = 1/4x + 2 a : y = -4x - 7 b : y = 4x + 2 c : y = 1/4x - 1/2 d : y = -1/4x + 3