Which algebraic expression represents this phase? the product of 16 and the time after the start

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

What is the 12th term of b(n)=-4-2(n-1)

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?