If a football player passes a football from 4 feet off the ground with an initial velocity of 36 feet per second, how long will it take the football to hit the ground? use the equation h = -16t2 + 36t + 4.
a. quantity of 9 plus or minus square root of 65 all over 8
b. 9 plus or minus square root of 65 end root over 8
c. quantity of 9 plus or minus square root of 97 all over 8
d. 9 plus or minus square root of 97 end root over 8

Phyllis and chen are saving money to go to a football game. each friend starts with some money and saves a specific amount each week. phyllis made a graph to show the total she has saved at the end of each week. chen wrote an equation to show the total, y, he has saved at the end of each week, x. y = 15x + 15 compare the amount that each friend has when both friends start saving. select the correct answer from the drop-down menu to complete the statement. phyllis starts with $ and chen starts with $

Are the corresponding angles congruent? explain why or why not.

Ihave a triangle with a 60 degree angle. lets use d for that angle. what are the values of e and f if d is 60 degrees? and what do you notice about the values of e and f?