Which of the following changes would you represent using a negative number explain what a positive number would represent in that situation a. a loss of 4 points b. a gain of 50 yards c. a loss of 10 d. an elevation above sea level

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

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.

Solve the system of equations y= 3/2 - 1, -x+ y =-3