Atoy rocket blasts straight up off the gound with an initial velocity of 50 ft/s. how long will the rocket remain in the air? use the formula h= -16t^2+50t , where h is the height of the rocket in feet and t is the time in seconds after liftoff. assume no air resistance, and that the rocket has no propelling force after liftoff. round your answer to the nearest tenth. a. 1.4 seconds b. 2.8 seconds c. 3.1 seconds d. 4.2 seconds

Gail is making costumes for a school play. each rabbit costume needs one and one half yards of white fur fabric, a yard of blue striped fabric, and a quarter of a yard of pink felt for the ears. g? ail needs to make eight rabbit man yards will she need, for the white fur fabric, blue striped fabric, and pink felt?

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer