How many different keys can be made for a lock that has 8 tumblers with 4 possible heights each?

4^8 does NOT work.

Is there something I am missing?

A 4-pound bag of sugar contains 454 one-teaspoon servings and costs $3.49. A batch of muffins uses 1/4 cup of sugar. How many batches can you make if you use all the sugar? What is the cost of sugar for each batch? (1 cup = 48 teaspoons)

What value of 'W' satisfies 8 (w+4) = 38+7w A. 8 B. 6 C. 11 D. 4.5

Simplify to create an equivalent expression. -4 (-11+4n) - 3 (-2n+9)

You have a limit of $300 that you can spend for a rental car on your vacation this summer. You have found a deal where you can rent a car for a daily rate of $30 plus a fee of $0.20 per mile driven.

An angle measures 125 degrees. Through what fraction of a circle does the angle turn?

The length of an office building is x feet and the width is x+4 feet. write the polynomial that represents the area. find the area if x=12.

0.3d-1 3 1 3 = 0.84: 7 15

Round 0.579 to the nearest tenth

An online music store offers 5 downloads for $6.25. Another online music store offers 12 downloads for $17.40. Which store offers the better deal?

There are two friends. Each friend has a dollar to buy some pie. The first friend buys two-eighths of a pie for a dollar. The second friend buys one-fourth of a pie for a dollar. Who receives the better deal?