On a multiple-choice test with five possible answers for each question, whatis the probability of answering a question correctly if you make a random guess?

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

10 ! in a race, nick is 50 feet in front of jay after ten seconds. how fast can nick run, if jay can run 20 feet per second?

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*