when the elevator at Franklin’s apartment building went out of service, Franklin walked up 15 flights of stairs. He stopped to rest after every 3 flights. How many times did Franklin stop to rest?

Emma will roll two number cubes labeled 1 through 6. she will record the sum of the two numbers after each roll. she will roll the two cubes 540 times. how many times should emma expect the sum to equal 5?

Can someone me out here number 4 plz

Can you me find the slope! (30 points)