GROCERY STORE PROBLEM: A local retailer of pet food faces demand for one of its items at a constant rate of 25,000 bags per year. It costs them $10 to process an order and $2 per bag per year to carry the item in stock.  The stock is received three working days after an order is placed.  Assume 300 working days in a year and no backordering.  What is the demand during lead time assuming that there is no variability?

Find the mean, median, and mode of the set of values: 50, 20, 35, 50, and 28.

Jaimie run a copying service from home. They paid $3500 for a copier and a lifetime service contract. Each sheet of paper used costs $0.01, and the service charges $0.05 per copy made. Let x represent the number of copies made. Express the cost C as a function of x. Express the revenue R as a function of x. Determine the value of x for which this business breaks even.  

Determine the number of distinguishable arrangements of the letters in the word CHATTAHOOCHEE.

Construct a truth table to determine whether the argument is valid or invalid. Explain why it is valid or invalid.  If John is singing in the band, then Paul is playing the guitar. John is not singing in the band. ___________________________________________________________ Paul is not playing the guitar.                           

The fishing club at Central New Mexico Community College has nine members. To determine club officers, nine slips of paper each containing the name of a member are placed into a hat. The club advisor randomly selects a first name from the hat to become the president, a second name to become the secretary, and a third name to become treasurer. How many different arrangements of club officers are possible?

Convert to base seven.

How many different ways can a teacher select 2 textbooks from a selection of 17 books?

Find the number of four-digit counting numbers containing at least one zero if repetition of digits is not allowed. 

Convert to decimal form.