-6y^2 + 9y^2 - y - 9 - 7y^2 + 1 + 10y + 3y simplify the expression by combining like terms right the terms from highest to lowest power of the valuable

Will mark brainliest question in the pic.

Which function in vertex form is equivalent to f(x) = x2 + 6x + 3? f(x) = (x + 3)2 + 3 f(x) = (x + 3)2 − 6 f(x) = (x + 6)2 + 3 f(x) = (x + 6)2 − 6

A50-foot ladder is leaning against a vertical wall. if the base of the ladder is 45 feet from the base of the wall, find the angle the bottling of the ladder makes with the ground.