If y = a(x − 1)^2 + q and points (−1, −9) and (1,1) both lie on the parabola, what is the optimal (maximum/minimum) value of y? Find the value of a. plz answer with full proces, i will mark brainliest for sure.

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.

How do i put 3(x+7) in distributive property

Miss henderson wants to build a fence around a rectangular garden in her backyard in the scale drawing the perimeter of the garden is 14 in of the actual length of a b is 20 ft how many feet of fencing what you need