Aprojectile that was launched straight up from the ground with an initial velocity of 48 ft/s returned to the ground after 3 s. the height of the projectile t seconds after launch is modeled by the function f(t)=−16t2+48t . what is the maximum height of the projectile, in feet?

Can someone me and do the problem plz so i can understand it more better

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?