Which of the following is the equation of a circle whose center is at the origin and whose radius is 4?

Ronald spent the day making a painting for his friend. At the end of the day, Ronald finished 1/4 of the painting. If he is able to finish as much of the painting each day he works, how long will it take him to make 2 whole paintings?

A real tick is 2.5 millimeters long. In a larger photo, the tick is 4 centimeters long. Using a percentage, how much larger is the tick in the photo than the real tick?

Explain how to find the sum of the interior angles for any polygon in relation to the number of sides.

A CD player is sold at four different stores. which store is selling it for the lowest price? A.) retail price: $108.68; discount: 17% B) retail price: $103.35; discount: 13% C) retail price: $114.01; discount 21% D) retail price: $118.

After reading a book for English class, 100 students were asked wether or not they enjoyed it. Nine twenty-fifths of the class did not like the book. How many students liked the book?

The wheel of a bicycle has a diameter of 27in. How many revolutions of the wheel would it take to bike 3 miles?

It's a half gallon of paint covers one 1/12th of a wall, then how many quarts of paint are needed for the entire wall?

Suppose that a scholarship qualifying exam is given to a large number of students every year. Over the last 5 years, the exam results are normally distributed with a mean of 35 and a standard deviation of 7.

What is 4/6 times 3/5?

How do I solve - 2 (x+1) = -8x+1