What is the circumference of the circle use 3.14

Read the situations in the table below. then drag a graph and equation to represent each situation. indicate whether each of the relationships is proportional or non-proportional. edit : i got the right answer its attached

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41