A chemist mixes a 20% saline solution and a 40% saline solution to get 60 milliliters of a 25% saline solution. How man milliliters of each saline solution should the chemist use in the mixture?

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.

Which of the points a(6, 2), b(0, 0), c(3, 2), d(−12, 8), e(−12, −8) belong to the graph of direct variation y= 2/3 x?

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a