Zoey was out at a restaurant for dinner when the bill came. Her dinner came to $31. After adding in a tip, before tax, she paid $38.44. Find the percent tip.

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)

When you answer this can you explain

Find the distance between (7,-6) and (-3,-9)