Two boys and three girls are auditioning to play the piano for a school production two students will be choosing one as the piano and the other the alternate
What is the probability that the pianist Will be a boy and the alternate will be a girl?

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

It is saturday morning and jeremy has discovered he has a leak coming from the water heater in his attic. since plumbers charge extra to come out on the weekends, jeremy is planning to use buckets to catch the dripping water. he places a bucket under the drip and steps outside to walk the dog. in half an hour the bucket is 1/5 of the way full. what is the rate at which the water is leaking per hour?

What does independent variable and dependent variable mean in math?