Aball is thrown into the air the height, h in feet, of the ball can be modeled by the equation h=-16t^2+20t+6, where t is the time, in seconds, the ball is in the air. how long will it take the ball to reach its maximum height? what is the maximum height?

Christine went shopping and bought each of her six six nephews a? gift, either a video costing? $14.95 or a cd costing? $16.88. she spent ? $ 97.42 97.42 on the gifts. how many videos and how many cds did she? buy?

Arandom sample of 150 high school students were asked whether they have a job. the results are shown in the table. have a job do not have a job male 48 35 female 41 26 select a ord or phrase from the drop-down menus to correctly complete the statements describing the association.

Ineed in figuring out this problem.