A pharmasist has a 18% alcohol solution. HOw much of this solution and how much water must be mixed together to make 10 liters of a 12% alcohol solution

Which expression is equivalent to 2^4y^3

What is the range of the data below? .8090100

Select the correct answer. what is the exact value of sin (157.5°)? a. 'sqrt(2 - sqrt(2))/2 b. *"-"'sqrt(2 + sqrt(2))/29 c.'sqrt(2 + sqrt(2))/4" d. "-"sqrt(2 + sqrt(2))/4)