Estimate the probability that if the company books 225 persons. not enough seats will be available. 1-.81^225

Emma will roll two number cubes labeled 1 through 6. she will record the sum of the two numbers after each roll. she will roll the two cubes 540 times. how many times should emma expect the sum to equal 5?

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

The sum of two numbers is 12 and their difference is 18 what are the two numbers