When x = 2.5 and y = 5, which of the expressions below will be greater than 75? Select all that apply. A) 8x+12y
B) 10xy
C) 4y^2–8x
D) y^3/2x

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

Describe the domain and range of y=2(3)^x-2+5

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?