a store is having a sale on shirts. the sale is buy one shirt, get one 50% off. the original price of one shirt is $20.48. micha bought several shirts, and the total cost was $81.92. how many shirts did micha buy?

Which of the following situations represents a linear relationship? a. theresa increases the distance she runs by 0.1 miles every week. b. the volume of a box depends on the length of box. c. the amount of money in a bank account increases by 1 percent each year. d. the population of a town doubles every 5 years.

Sal is tiling his entryway. the floor plan is drawn on a unit grid. each unit length represents 1 foot. tile costs $1.35 per square foot. how much will sal pay to tile his entryway? round your answer to the nearest cent.

Can someone me out here and the tell me the greatest common factor