18/42=X/14 solve the proportion

Subscriptions to a popular fashion magazine have gone down by a consistent percentage each year and can be modeled by the function y = 42,000(0.96)t. what does the value 42,000 represent in the function?

Which number line represents the solution set for the inequality - x 24?

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.