Y is directly proportional to x ^2 . If y = 45 when x = 3 find x when y = 180

Choose the equation below that represents the line that passes through the point (2, 4) and has a slope of 3. a) y − 4 = 3(x − 2) b) y − 2 = 3(x − 4) c) y + 4 = 3(x + 2) d) y + 2 = 3(x + 4)

Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.

Tanyss's house has 25 windows. her brother has washed 22 of the windows. what percent of the windows has her brother washed?