Draw a number line to show that 2/3 and 6/10 are equivalent

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

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.

Find the value of x for which abcd must be a parallelogram -9-6x x-30