List three pairs of ratios that are equivalent.

Given that anna wants to spend less than $60 for the subscription and only full month subscriptions are offered, what is the maximum number of months that ana can subscribe

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?