If c u means 20cd determine the value of 4 how to do maths how to do maths

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?

Felix wrote several equations and determined that only one of the equations has no solution. which of these equations has no solution?

What are the factors of me - 12m + 20?