A dog kennel charges $40 to board a dog for one night and $35 per night each night after that. Henry paid a total of $250 for dog boarding. How many nights did Henry board his dog? 1.
a. Write an equation.

b. Rewrite the equation in form y = ax + b

c. Solve the equation of nights if Henry paid $215

You are constructing a histogram for scores that range from 70 to 100 in whole points. frequencies range from 3 to 10; that is, every whole-point score between 60 and 100 occurs at least 3 times, and at least one score occurs 10 times. which of these would probably be the best range and size for the score intervals along the x-axis?

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

About 9% of th population is hopelessly romantic. if 2 people are randomly selected from the population, what is the probability that at least 1 person is hopelessly romantic?