The height of a ball in feet can be found by the quadratic function h(t)=−16t2+80t+5 where t is the time in seconds that the ball is in the air. Determine the time(s) that the ball is 69 feet high and select the correct answer below.

Sienna planned a trapezoid-shaped garden, as shown in the drawing below. she decides to change the length of the top of the trapezoid-shaped garden from 32 ft to 24 ft. which expression finds the change in the scale factor?

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

The suare root of 9x plus 7 plus the square rot of 2x equall to 7