What is d, the distance between tick marks on the number line?

What is a graph with a never ending line called?

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

Melanie is buying a bathing suit that costs 39.99. she is given a discount at the cash register of $6.00 when she scratched 15% off on a game piece for a store promotion. what will the sale price of melanie’s bathing suit be?