Need help with the answer ASAP! No links by the way!

Solve the formula ax+ by = c for x.

Given the median qr and trapezoid mnpo what is the value of x?

Pleting the square f the given find the x-intercepts of the parabola with vertex (-5,13) and y-intercept (0, 12). write your answer in this form: (14,.99). if necessary, round to the nearest hundredth. *- h enter the correct answer, de verter, and ametry 00000 done doo