The first astronaut on mars tossed a rock straight up. the height h measured in feet after tt seconds is given by function h(t)=-6t²+24t+6 After how many seconds will the rock be 30 ft above the surface of Mars?

After how many seconds will the rock be 10 ft above the surfaces of Mars? (Round to nearest hundredth)

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

Adoctor administers a drug to a 38-kg patient, using a dosage formula of 50 mg/kg/day. assume that the drug is available in a 100 mg per 5 ml suspension or in 500 mg tablets. a. how many tablets should a 38-kg patient take every four hours? b. the suspension with a drop factor of 10 ggt/ml delivers the drug intravenously to the patient over a twelve-hour period. what flow rate should be used in units of ggt/hr? a. the patient should take nothing pills every four hours. (type an integer or decimal rounded to the nearest hundredth as needed.)

What is the total surface area of this square pyramid?