What is 15 multiplied by t as a numerical or algebraic expression?

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?

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Given: △acm, m∠c=90°, cp ⊥ am , ac: cm=3: 4, mp-ap=1. find am.