I need help asap plz

Solve the system of equations. y= 2x y= x^2 - 15

Find the x-intercepts of the parabola withvertex (1,1) and y-intercept (0,-3).write your answer in this form: (x1,if necessary, round to the nearest hundredth.

1.two more than the quotient of a number and 6 is equal to 7 use the c for the unknown number translate the sentence into an equation