If y varies directly as x and y = 144 when x = 12, what is the value of y when x = 17?

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

What properties allow transformation to be used as a problem solving tool

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?