Solve the system of equations.
3x+3y+6z=3
3x+2y+6z=7
4x+4y+7z=4

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

These tables represent a quadratic function with a vertex at (0, -1). what is the average rate of change for the interval from x = 9 to x = 10?

Y= 4x + 3 y = - 1 4 x - 5 what is the best description for the lines represented by the equations?