Multiply each equation by a number that produces opposite coefficients for x or y.

4x + 5y = 7. X=

3x – 2y = -12 X=

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?

Aline passes through 3,7 and 6,9 what equation represents the line

Need plz been trying to do it for a long time and still haven’t succeeded