What is the quotient of (7^-1/7^-2)?

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

What is the value of x in the diagram below?

The verbal translation for the difference of m and 7 increased by 15