Amy's mother ordered a pizza to be delivered to their home. the bill for the pizza was $18. she gave the delivery man a 15% tip. how much was the tip?

Mr. and mrs. wallace have decided to buy a car for $21,600. they finance $15,000 of it with a 5-year auto loan at 2.9% arp. what will be their monthly payment be? a. $268.20 b. $268.86 c. $269.54 d. $387.16 i need !

Bring the fraction a/a-4 to a denominator of 16-a^2

What is the sum of these mixed numbers 4 2/3+ 3 1/9