Pls pls pls

A pharmacist has an 18% alcohol solution and a 40% alcohol solution. How much of each should he mix together to make 10 liters of a 20% alcohol solution?

X liters of 18% alcohol solution,
Y liters of 40% alcohol solution.

X=
Y=

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

1. which of the following algebraic equations is equivalent to ? x^n = a a^n = x a^x = n x^a = n 2. 16^1/4= 1/2 2 4 3. (-36)^1/2= -6 1/6 no real number 4. 8^2/3= 4 8 16√2 )^5/2= 7,776 1/7,776 no real number 6. m ^ the square root of a^2m simplified is: 7. the square root of 3^3 times the square root of 2 simplified and in radical form is:

If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)