Samantha threw an apple out of a window from the tenth floor of her apartment building. the equation y=-16t^2+120 can be used to represent the fruits height above the ground, where t represents time, in seconds, after she threw the apple. how long did it take the apple to hit the ground?

Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7

Amajor grocery store chain is trying to cut down on waste. currently, they get peaches from two different distributors, whole fruits and green grocer. out of a two large shipments, the manager randomly selects items from both suppliers and counts the number of items that are not sell-able due to bruising, disease or other problems. she then makes a confidence interval. is there a significant difference in the quality of the peaches between the two distributors? 95% ci for pw-pg: (0.064, 0.156)