Rearrange this equation to isolate c

a=b(1/c - 1/d)

What is the result of converting 60 ounces to pounds remember there are 16 ounces in a pound

The area of square garden is 300m squared. how long is the diagonal?

Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?