What is the solution(one solution, no solution, zero solution) and answer for 2z+8=-9 I need an explanation!

Choose the point slope form of the equation below that represents the like that passes through the points (-6,4) and (2, 0)

Due to financial difficulties the owner of 4 skateboard stores is going to close 2 of his stores. based on the money earned at each store, which two stores should remain open?

Identify the function that contains the data in the following table: x     -2         0         2         3         5     f(x)     5         3         1         2         4     possible answers: f(x) = |x| + 1 f(x) = |x - 2| f(x) = |x - 2| - 1 f(x) = |x - 2| + 1