Which is not an equation of the line going through (6,7) and (2,-1)?

This needs to be done quick you are studying different function tools and begin working with this function y=-160-9(x) use the equation to answer the question y=-160-9(x) what is the y value when x equals -13? y=-160-9(x)

Given this information, which expression must represent the value of b?

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation