Acertain quadratic function passes through the points (1,12) , (2,-6) , and (-1,12) , find the formula.

Find the solutions for a triangle with a =16, c =12, and b = 63º

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

Liz is shipping a package to her friend.the maximum weight of a medium flat-rate box is 20 pounds,including the box which weighs 6 ounces.write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.