Of the songs in the playlist,72% are country songs . Which fraction is equivalent to 72%

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?

Multiply and simplify 2x^2 y^3 z^2 · 4xy^4 x^2

Use the rules of exponents to simplify the expressions. match the expression with its equivalent value. 1. 2-1 ∙ 2-4 2. -32 3. ∙ 32 4. -