Aball is thrown into the air with an upward velocity of 80 feet per second. the function h = -16t2 + 80t models the height h, in feet, of the ball at time t, in seconds. when will the ball reach the ground?

Arestaurant charges $100 to rent its banquet room for an event. it also charges $15 to serve dinner to each guest. write an equation for the total cost of the banquet room in terms of the number of guests. deine your variables. what is the total cost of the banquet room for 20 guests?

8.74 rounded to the nearest whole number

Joey is asked to name a quadrilateral that is also a rhombus and has 2 pairs of parallel sides.should be his answer