A ball is thrown upward with an initial velocity of 64 ft/sec from a height 720 ft. Its height s, in feet, after t seconds is given by s = - 161? + 64+ + 720. After how long will the ball reach the ground?
7200

Divide. write in simplest form 41/6 divided by 10

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.

You buy 4 items that cost 2.69 14.45 8.05 13.95 what is the estimated total round to the nearest dollar