Explain how to use grid paper to model 0.2 and 0.02. describe any diffrences

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

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

Triangles abd and ace are similar right triangles. witch ratio best explains why the slope of ab is the same as the slope of ac?