Suppose you can skin a cat using either the Cox Method or the Wong Way. In the Cox Method, there are 2 steps: Step 1 can be done in any one of 5 ways, but Step 2 can only be done one way. The Wong Way, on the other hand, requires 2 steps. Each of these steps may be completed in one of 3 ways. How many ways are there to skin a cat?

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

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?

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?