The ratio of country albums to jazz albums in a music collection is 2 : 3. if the music collection has 45 albums, how many are country albums?

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers

The probability that a student graduating from suburban state university has student loans to pay off after graduation is .60. if two students are randomly selected from this university, what is the probability that neither of them has student loans to pay off after graduation?