If the diameter of a circle is 5.5 cm what is the radius?

The box office center of a football stadium sold 78 tickets less than the all other box offices. How many tickets were sold by the box office center, if the total number of tickets sold was 520?

Nearest tens of 7,255

the sum of two numbers is 64. The smaller number is 6 less than the larger number. What are the numbers?

Assume that the population of the world in 2010 was 6.9 billions and is growing at the rate of 1.1 percent a year.

You roll a 6-sided number cube. What is the probability that you do not roll a 2?

What's the sum of - 4 and 14

If a cube has a volume of 64 cubic units how long is its edge?

Which of the following are solutions to the equations below? x^2+x-20=0

What does the 3 represent in 3 (20 15) ?

the beach shop sold 12 skim boards on saturday and 9 on sunday. What is the percent of decrease from saturday to sunday?