-6x+8y=12 and -3x+4y=6

How do i do this using elimination 2x+3y=12 x-y=6

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x

`if you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain. ''.