The "Mr. Brust Dance School of Fine Ballet" charges $24 per dass and a one-time registration fee $150 A student paid a total of $822 dollars. Find the number classes the student took.

Ateacher asked his students to vote for an animal to be their class pet. five-eighteenths of the students voted for a rabbit, voted for a snake, and voted for a hamster. which statement is true? more students voted for a hamster than a snake. more students voted for a snake than a rabbit. more students voted for a rabbit than a hamster. more students voted for a snake than a hamster.

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Find the area of the regular hexagon if a side is 20 cm.