Is the square root of 18 a rational number

Joel is laying pipe for a sprinkler system before he plants his lawn. The lawn is a rectangle, 15 feet long and 8 feet wide. He needs to lay a piece of pipe that will be run along the diagonal of the lawn.

A music Web site announced that over 4 X 10^9 songs were downloaded by 5 X 10^7 registered users. What is the average number of downloads per user?

Alex has a pet snake that eats 1 mouse every week. How many mice will the snake eat if Alex has the snake for 4 years?

Is $36 for 4 baseball hat equivalent to $56 for 7 baseball hat

Estimated 5.4:2 1/2

Becky works 16 days each month. how many days will she work in 6 months

Which relationships hold true for the sum of the magnitudes of vectors u and v, which are perpendicular? a. ||u+v||=||u||+||v|| b. ||u+v||=sq rt (||u||^2+||v||^2) c. ||u+v||

Efetue os cálculos a seguir e, quando possível simplifique o resultado

Water flows back and forth between a small and large tank. When water is moving into a tank the flow rate is positive, and when water is moving from a tank the flow rate is negative. Each tank begins with 250 gallons of water.

An airplane flies 1,500 miles in 3 hours. At the same rate, how far will it go in three-fourths of a day?