A plumber has 10ft piece of pic pipe how many 9/5 foot pieces can be cut from 10ft

Find the slope of the line passing through a pair of points

At a book fair, joe bought 24 books at 3 for $5 and had $2 left. how much money did he have at first?

You have 37 coins that are nickels, dimes, and pennies. the total value of the coins is $1.55. there are twice as many pennies as dimes. find the number of each type of coin in the bank.