Marnie conducted an experiment using a bag of 12 marbles containing an equal number of blue, red, and green marbles. she randomly chose one marble, noted the color, and returned the marble to the bag. marnie did this for a total of 20 trials. the table below shows the results. event count blue 7 red 8 green 5 what was the experimental probability of choosing a blue marble from a bag?

What is the perimeter, p, of a rectangle that has a length of x + 8 and a width of y − 1? p = 2x + 2y + 18 p = 2x + 2y + 14 p = x + y − 9 p = x + y + 7

Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?

An octagonal prism has jow many lateral faces?