Use the circle graph to determine the fraction of hours per week college students spend on P. E.. Art 10 hr
PE 6 hr
Math 9 hr
English 5 hur
History 13 hr

The quadratic function h(t) = -16.1t^2 + 150 models a balls height, in feet, over time, in seconds, after its dropped from a 15 story building. from what height in feet was the ball dropped?

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?