What does 9 to the 13th power equal?

Janet is mixing a 15% glucose solution with a 35% glucose solution. this mixture produces 35 liters of a 19% glucose solution. how many liters of the 15% solution is januet using in the mixture? a. 25 liters c. 28 liters b. 7 liters d. 10 liters

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x