RS = 5y + 2, ST = 2y +9, and RT = 67. Find rs and st

If i have a 24 in loaf of bread and i cut it into two pieces one 9 in how long was the other

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.