The system of equations below is only true if x= and y=
x - 2y = -6
3x - y = 7

Answer choices for variables
4, 5, 13, 20

Use the discriminant to describe the roots of each equation. then select the best description. 2m2 + 3 = m double root real and rational roots real and irrational roots non-real roots

What are the solutions to the equation 4x2+3x=24-x

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap