Do the angles in spherical geometry add up to 180?

Is 0.121122111222 a repeating decimal? If so, why?

In an oblique triangle, the side lengths are 16 cm, 26 cm, and x cm. The angle opposite side x is 63o. To the nearest cm, find the value of x.

If there are x teams in a league and each team plays every other team twice, then the total number of games (n) to be played is given by nequals=xsquared2minus-x. a chess league has 77 teams.

What is 0.88 as a percentage.

A certain clock loses 15 minutes every hour. SUppose the clock is set to the correct time at 9am. What will the correct time be when the slow clock first shows 10am?

Jasmine is estimating √200. Find her mistake and correct it. √200=100

A dvd has an approximate radius of 2.4 inches what is the approximate area of the dvd

A submarine dives 280 feet below the water surface. It then rises back up to wards the surface at 55 feet per minute for 5 minutes. Where is the submarine after it rises towards the water's surface for 5 minutes

Two runners ran as a team in a 5,000-m relay race. the first runner ran 500 m farther than the second runner. how many meters did each run?

mr. brier has his house insured for 60000. he pays. 75 per hundred dollars of insurance what is his annual homeowners insurance premium