Solve the inequality. –5x – 7 < 28

Aprojectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 704t. after how many seconds does the projectile take to reach its maximum height?

An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.