1. Factor

2. Solve

3. The second term of a geometrical progression is and the fifth term is Find the first term and the ratio.

4. Solve the following equations and check your results by plotting:

5. Solve

6. In an arithmetical progression Find a and l.

7. Expand by the binomial theorem and simplify:

8. The diagonal of a rectangle is 13 ft. long. If each side were longer by 2 ft., the area would be increased by 38 sq. ft. Find the lengths of the sides.