What is the mean of these numbers :
65,56,76,65,52,89,41

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

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

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?