Aquarter weighs 6 grams how much would $2.50 in quarters weigh

What are “like terms”? why can we only add like terms?

The variable in a relation who’s value depends on the value of the independent variable is called what?

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?