Every day abby's teacher picks a number of the day from 1 to 20. the number of the day can be repeated. there are 180 days in the school year. predict how many days the number of the day will be greater than 15.

The sum of two numbers is 12 and their difference is 18 what are the two numbers

On a cm grid, point p has coordinates (3,-1) and point q has coordinates (-5,6) calculate the shortest distance between p and q give your answer to 1 decimal place

Val and tony get paid per project. val is paid a project fee of $44 plus $12 per hour. tony is paid a project fee of $35 plus $15 per hour. write an expression to represent how much a company will pay to hire both to work the same number of hours on a project.