Sam bought a hamburger value meal that costs $4.58 using a 50% off coupon but it was taxed 6.5%. How much did Sam's meal cost after the discount and tax?

How to write 3 tenths and 5 tenths as a decimal

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

Suppose that a households monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, hcf). when graphed, the function gives a line with slope of 1.65. if the monthly cost for 13 hcf is $46.10 what is the monthly cost for 19 hcf?