A yoga instructor has a list of 137 students who have signed up for yoga classes. The instructor can register 14 students in each class. What is the least number of classes needed for all students to be registered in a class? A. 8 В. 9 C. 10 D. 11

A certain restaurant prepared meals during the pandemic for the first-responders. If they prepared 5 spaghetti meals for every 7 meat meals, how many meat meals were there if there were 600 meals prepared?

five hundred forty-eight runners participated in a recent race. Twenty-six runners did not finish the race. Half of those who did finish completed the race in less than 2 hours. Which of the following is the number of runners who completed the race in less than 2 hours? a.  274 b.   248 c.   261 d.   522

Let A = {1, 2} and B = {3, 4}. Write A × B. How many subsets will A × B have?List them.