In a class of 15 boys and 8 girls, the teacher selects three students at random to write problems on the board. what is the probability that all the students selected are boys? (round your answer to four decimal places.)

The distance between two cities is 368 miles. if the scale on the map is 1/4 inch=23 miles, what is the distance between the cities on the map?

How do you write 600 as a product of its prime factors (index! )

Marion has a bicycle that she is planning to take for a ride. the rim of the rear wheel lies 41 cm from the center of the wheel. the tire itself has a thickness of 3 cm. in order for marion to ride her bicycle 96,712 cm approximately how many rotations will the rear wheel make?