PLSS, I need a step-by-step guide to this problem. (I want none of you little crack heads to just answer anything for some points.) Problem:
2-1-(1)/(2)+(3*1)^(0)-1=

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 15,000 and she drives 23,000 miles more each year. marc's car has a current mileage of 46,000 and he drives 9,000 miles more each year. will the mileages for the two cars ever be equal? explain.

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"