How do u simplify 51-17+37

Jason spends 18 hours over three weeks practicing karate. How many hours does he practice in seven weeks?

The area of a parking lot is 805 square meters. A car requires 5 meters and a bus requires 32 square meters of space. There can be at most 80 vehicles parked at one time. If the cost to park a car is $2.00 and a bus is $6.

A^2 - 2a+1:6 : (a^2 - 1) =

Joan loves eating fruits. Joan paid $14.20 for apples, and $7.86 for cherries with two $20 bills. How much change did Joan receive?

Angie andKenny play online video games angie buys 1 software package and 3 months of game play. Kenny buys 1 software package and 4 months of game play. each software package costs $20.

To divide 343 by 9 would you use partial quotients or Doug division algorithm

Write the equation of a line parallel to why equals 4x+5 and passes through (2,-3)

Use the pythagorean theorem to find A 23²=a²+17²

What is the excluded value of a/b-2

A woman is traveling with a wolf, a goose, and a mouse. She must cross a river in a boat that will only hold herself and one other animal. If left to themselves, the wolf will eat the goose and the goose will eat the mouse.