A rocket is launched from a tower. The height of the rocket, y in feet, is related to the time after launch, x in seconds, by the given equation.
Using this equation, find the time that the rocket will hit the ground, to
the nearest 100th of second.
y = -16x2 + 119x + 57

Anyone know these questions? i need ,.

Apackage of orgainc strwberries costs $1.50 while there in season and $2.25 when not in season what the percent increase

Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)