A baseball player hits a baseball into the air with an initial vertical velocity of 78 feet per second. The player is 6 feet tall, and the height of the ball when hit is half his height. At what two different times does the baseball have a height of 84 feet above the ground? Do not round your answer. (Hint: -54 is a helpful number)

With both problems. a.s.a.p directions on photo ^

Which of the following circles have their centers in the third quadrant? check all that apply.

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?