Choose the equations that are not linear equations. -x - y = 2, x^2 + y = 4, x÷2 - y^3 = 1, x = 5

Wrote and expression for the difference of p and 4

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.

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas is (0,-12). the y intercept of the second parabola is (0,-24) what is the positive difference between the a values for the two functions that describe the parabolas