Describe the error in finding the perimeter of the figure.

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

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

Can someone me do math because i am having a breakdown rn because i don’t get it