Use the substitution method to solve the system of equations y=-4x 8x-y=6 a.(1,-4) b.(1/2,-2) c.(2,-8) d.(1/2,-4)

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.

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.