A Ferris wheel does one complete revolution every
7

hours
.

Express this as a rate of revolutions per minute.

Remember to round your answer to
4
decimal places, and to include appropriate units.

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.