What is the arithmetic mean of the following numbers?
8, 10, 8,5,4,7,5,10,8

Write an explicit formula that represents the sequence defined by the following recursive formula:

What is the y intercept of f(x)=(1/2)^x?

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