If the parabola of the form y= a(x– )2 + kis always shifted horizontally h units and vertically k units, then its vertex is always
(h, -k)
(h, k)
(-h, k)
(h, -k)

Hurrya vegetable garden and a surrounding path are shaped like a square that together are 11ft wide. the path is 2ft wide if one bag of gravel covers 9 square feet how many bags are needed to cover the path

Which of the following circles have their centers in the third quadrant?

Acompany that makes? hair-care products had 5000 people try a new shampoo. of the 5000 ? people, 35 had a mild allergic reaction. what percent of the people had a mild allergic? reaction?