Lenin

If p^1/3 = (8x)^1/6, x^-1/2 =4^-1/4, and 4y = |p-8|, what is the value of y?

On each of four cards, a different positive integer greater than 1 but less than 20 is written. Exactly 3 of the numbers are multiples of 3, exactly two of the numbers are multiples of 5, and none of the numbers is even. What is the sum of these four numb...