What is the equivalent fraction of 12/15 with a numerator of 12​

Restrictions on f(x) = 1/x+5 and g(x) = x-2

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.

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are: