3. Plumber A charges $60 an hour. Plumber B charges $40 to visit your home plus $55 for each hour. For how many hours will the
total cost for each plumber be the same? How much will that cost
be? If a customer thinks they will need a plumber for 5 hours,
which plumber should the customer hire? Explain.

Which expression gives you the distance between the points (5,1)and(9,-6)

I’m really confused and need to learn this

Robert plans to make a box-and-whisker plot of the following set of data. 27, 14, 46, 38, 32, 18, 21 find the lower quartile, the median, and the upper quartile of the set? lower quartile: 19.5; median: 29.5; upper quartile: 42 lower quartile: 14; median: 27; upper quartile: 46 lower quartile: 18; median: 27; upper quartile: 38 lower quartile: 16; median: 29.5; upper quartile: 42