A jar contains 8 red counters and 21 blue counters. A counter is taken at random from the jar. what is the probity that it is. A. red
B. blue
C. green

What is the percent of increase for a population that changed from 438,000 to 561,000

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.

An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?