A professor gives his students 10 essay questions to practice in preparation for an exam. Only 3 of the questions will actually appear on the exam. How many different exams are possible?

Can someone me my sister? she is in third grade. 50 points and brainlist! ones that are not answered. plz and thx!

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

In a city, 6th and 7th avenues are parallel and the corner that the pizza palace is on is a 54° angle. what is the measure of the angle that is made with 7th ave and broadway on the corner of the shake hut?