Marcus hired a car service to drive him to the airport. The bill came to $56.80. He gave the driver a 20% tip. How much money did he give the driver as a tip?

A farmer examines a sample of 25 cartons of eggs and finds that 3 contains cracked eggs. What is the best prediction of the number of cartons with cracked eggs in a delivery of 500 cartons? A) 6 B) 12 C) 60 D) 120

Shelley purchases several stuffed animals to give to charity. The price of each animal is listed in the chart. Which animal has a price that contains a 5 with a value that is 1/10 the value of the 5 in the price of the horse

The vertex form of the equation of a parabola is y=2 (x+4) ^2-7. What is the standard form of the equation. A. y=2x^2+12x+12 B. x=2y^2+8y+12 C. y=4x^2+4x+8 D. y=2x^2+16x+25

How to find the graph of a parabola?

What is the final step in solving the inequality - 2 (5-4x) <6x-4

Together, Katya and Mimi have 480 pennies in their piggy banks. After Katya lost ½ of her pennies and Mimi lost 2/3 of her pennies, they both had an equal number of pennies left.

A simple model of the core of a tornado is a right circular cylinder that rotates about its axis. If a tornado has a core diameter of 160 feet and maximum wind speed of 150 mi/hr (or 220 ft/sec) at the perimeter of the core, approximate the number

Ricky completely filled a bucket to wash his car. After he finished washing the car, 5/8 of the car remained in the bucket. What fraction of the water they Ricky use? Use the number line to show how you find your answer

A farmer grows 196 pounds of potatoes. He sells them to a grocer who divides them into 5 pound and 2-pound bags. If the grocer uses the same number of 5 and 2-pound bags, how many bags of each did he use?

What is the length of a square