Car Survey of 2,800 In a survey of people who owned a certain type of car, 840 said they would buy that type of car again. What percent of the people surveyed were satisfied with the car?

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?

Is there an x intercept in the equation 60*1.15^x

Find the volume of the solid obtained by rotating the region enclosed by the curves y=1x and y=7^-x about the x-axis. (use symbolic notation and fractions where needed.) volume =