Which expression is equivalent to -6(3x-2/3) A) -2x+9
B) -3x-6 2/3
C) -18x+12
D) -18x+4

Antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !