If a and b are rational numbers and 6/(3√2-2√3 ) = a √2-b √3 , then find the values of a and b.

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters

Gabrielle's age is three times mikhail's age. the sum of their ages is 40 . what is mikhail's age? __ years old