Shaira babysat for some hours. the hourly rate for babysitting was $11. she then bought a book costing $18 and she was left with $161. how many hours did shaira babysit? answer! giving brainliest to whoever does

Sunday: 1 1 2 monday: 1 tuesday: 2 1 2 wednesday: 1 3 4 thursday: 2 friday: 1 1 2 saturday: 2 jenna is a swimmer and trains every day. the schedule shown outlines the number of hours she trains each day. what is the total number of hours that jenna trains during the week?

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?