The height, in meters, above sea level of a NASA launched rocket it given by h(t)=−4.9t2+103t+353 where t represents the number of seconds since the rocket was launched. (Round your answer to 3 decimal places as needed for both answers.) Can someone show me how to solve this problem? Pls

Assuming that the rocket will splash down into the ocean, after how many seconds will the splashdown occur?

How many meters above sea level does the rocket get at its peak?

1. convert. simplify your answer and write it as a proper fraction or as a whole or as a mixed number. 4oz=_ pounds 2. find 1/3 of 66

The gades foundation and hbm corporation are eager to donate generously to their favorite charities. the gades foundation donated $250 in the first month, and each month afterward their cumulative donation total increases by 100$ the hbm corporation donated $64, in the first month, and each month afterward their cumulative donation total increases by 75%. in which month will the hbm corporation's cumulative donation total first exceed the gades foundations' cumulative donation total?

Brent wants to know what is 5 x 1/2