The mean age of 5 people in a room is 38 years.

A person enters the room.

The mean age is now 39.

What is the age of the person who entered the room?

Postulates can be used to prove theorems. True False

What is true about any Quetion with infinity solutions

Food A contains 150 calories in 3/4 of a serving. food B contains 250 calories in 2/3 of a serving. which food has fewer calories per serving?

Select the term that best describes the statement. If a polygon has six sides, then it is a hexagon. conjunction disjunction negation conditional

Which pair of fractions shows 2/5 and 3/10 converted with their least common denominator (LCD) ? a) 4/10 and 6/20 b) 4/10 and 3/10 c) 6/15 and 8/15 d) 20/50 and 15/50

What is LCM of two numbers if one number is a multiple of the other? give an example

8 packs of baseball cards 3 fewer packs of hockey cards than football cards 17 pack in all how many hockey cards and football cards?

Jim is at his house, and his car has 25 miles until it runs out of gas. would jim be able to make it from his house to the grocery store and back without stopping for gas? explain.

Three girls share $0.60. Each girl gets the same amount. How much does each girl get?

annie is planning on buying a gym membership there is a flat fee of $25 and the membership cost $20 per month. Write an equation to represent the total cost, y, in dollars of an annual gym membership where x is the number of months