**Problems 1-2**

Use the fact that one minute equals 60 seconds and one hour equals 60 minutes to carry out these calculations.

**Problems 3-29**

You will enjoy having your own Rubik’s cube when working these problems. See Example 2.

**Problems 30-37**

You will enjoy having your own Instant Insanity cubes when working these problems. See Example 3.

**Problems 38-51**

You will enjoy having your own Rubik’s cube when working these problems. See Example 2.

### Note: Homework Hints are given only for the Level 1 and Level 2 problems.

However, as you go through the book be sure you look at all the examples in the text. If you need hints for the Level 3 problems, check some sources for help on the internet (see the LINKS for that particular section. As a last resort, you can call the author at (707) 829-0606.

On the other hand, the problems designated “Problem Solving” generally require techniques that do not have textbook examples.

There are many sources for homework help on the internet.

**Algebra.help**

Here is a site where technology meets mathematics. You can search a particular topic or choose lessons, calculators, worksheets for extra practice or other resources.

**http://www.algebrahelp.com/**

**Quick Math**

This site provides online graphing calculators. This is especially useful if you do not have your own calculator.

**http://www.quickmath.com/**

**The Math Forum** @ Drexel

This site provides an internet mathematics library that can help if you need extra help. For additional homework help at this site, click one of the links in the right-hand column.

**http://mathforum.org/**