To the nearest tenth of a cent, find the cost per ounce of a 15 oz. box of cereal costing $2.49.

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)