Aubrey's dinner cost 85$. she tips the waitstaff 30% for excellent service. how much does aubrey tip the waitress?

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

Diane’s bank is offering 5% interest, compounded monthly. if diane invests $10,500 and wants $20,000 when she withdrawals, how long should she keep her money in for? round to the nearest tenth of a year.