Name all of the three functions of money

Sara needs to take a taxi to get to the movies the taxi charges $4.00 for the first mile and then $2.75 for each mile after that if the total charge is $20.50 then how far was sara’s taxi ride to the movie

Find the slope of a line given the following two points

An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?