A museum recorded that it had 988 visitors in 4 hours. What is the unit rate in visitors per hour? * a. 222
b. 247
c. 249
d. 262

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?

Determine if the equation defines y as a function of x: 2xy = 1. yes o no

Which of the following graphs could represent a cubic function?