The function, y=−16x2+16x+96 , represents the height, in feet, of a firework x seconds after it is launched.

After how many seconds does the firework hit the ground?

Enter your answer in the box.

Complete the two-column proof. given: 5/x + 9 = 11 prove: x = 10 5/x + 9-11 select one: a. a. given b. subtraction property of equality c. division property of equality b. a. given b. subtraction property of equality c multiplication property of equality ca. given b. addition property of equality c. multiplication property of d. a. given b. addition property of equality c. division property of equality