The least common denominator of two fractions is 12. if you add the two denominators, their sum 7. what are the denominators?

Joseph and Chandra are cleaning their house which has 12 rooms, each about the same size. If Joseph cleans them by himself, it takes him 6 hours. If Chandra cleans them by herself, it takes her 12 hours.

What was the approximate number of mobile cellular subscriptions per 100 people in Zimbabwe in 2003

Ty takes 1 hour to read 35 pages, 2 hours to read 70 pages, and 3 hours to read 105 pages, is this proportional? Explain

A 14 foot ladder is leaned up against a building. The ladder reaches a height of 2 squared 15 feet up the building. Find the distance that the foot of the ladder is form the base of the building.

Pennsylvania has a land area of 44,816 square miles. What is the land area of Pennsylvania rounded to the nearest hundered?

36.8% of what number is 28.52?

Find the volume of the pyramid. Round your answer to the nearest hundredth

The median of a set of three numbers is x. there at least three numbers in the set. Write an algebraic expression, in terms of x, to represent the median of the new set of numbers obtained by a. adding 1/8 to every number in the set b.

Does 9/15 terminate or repeat?

Sara owns an exotic pet store. She wants to make sure she has more than a pound of food for every 15 lizards she has in the store. If she currently has 4.