An algebraic expression for the product of 6 and the sum of a number x and 17

Which expression is equal to (21)(7)(3x) using the associative property? (21 · 7 · 3)x (7)(21)(3x) 32(7 + 3x) (3x)(7)(21)

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?

1.5x + 0.2y = 2.68 1.6x + 0.3y = 2.98 0 the lines are parallel. the lines overlap at all points. the lines intersect at (1.6,1.4). the lines intersect at (3.1,0.5). which statement describes the graph of the system of equations below