Joseph has 8 less than 5 times as many baseball cards than Darrell. Write an expression to express his number of baseball cards.

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.

Meghan has created a diagram of her city with her house, school, store, and gym identified. a. how far is it from the gym to the store? b. meghan also wants to walk to get some exercise, rather than going to the gym. she decides to walk along arc ab. how far will she walk? round to 3 decimal places.

If a company produces x units of an item at a cost of $35 apiece the function c=35x is a of the total production costs