How many 2 litre glasses of water are in a 3.6 litre pitcher

Ten times the square of a non-zero number is eqaul to ninety times the number

Abird on top of a 200 ft bridge tower sees a man standing on the lower part of the bridge (which is 50 ft above the ground). the angle of depression from the bird is 26 ̊. how far is the man from the base of the bridge tower? with explanation and pictures .

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x