What is the equation for x=-3 and y=-7

()1. how do you find range? 2.the following set of data is to be organized into a histogram. if there are to be five intervals on the graph, what should the length of each interval be? 30, 34, 23, 21, 27, 25, 29, 29, 25, 23, 32, 31

Which value would be a solution for x in the inequality 47-4x< 7

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?