Brian and ariyanna name chocolate candies. brian makes 238 candies and ariyanna makes 45 candies more than brian. how many candies did brian and ariyanna bake altogether?

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.

What is the quotient of m^6/5 ÷ 5/m^2? assume m does not equal pl

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics