1. Prerequisite Skills VOCABULARY CHECK Copy and complete the statement. ANSWER 8 5 3x, 7x 1. In the expression 3x + 7 + 7x, and are like terms. ?? 2. The reciprocal of is. 5 8 ?

2. Prerequisite Skills SKILLS CHECK Simplify the expression. 3. 5x – (6 – x) 4. 3(x – 9) – 16 5. 23 + 4(x + 2) 6. x(7 + x) + 9x 2 ANSWER 6x – 6 ANSWER 3x – 43 ANSWER 4x + 31 ANSWER 10x 2 + 7x

3. Prerequisite Skills Write the percent as a decimal. 7. 54% 8. 99% 9. 12.5% 10. 150% ANSWER 0.54 ANSWER 0.99 ANSWER 0.125 ANSWER 1.5 SKILLS CHECK

4. Prerequisite Skills Find the perimeter of the rectangle. ANSWER 46 ft ANSWER 68 cm ANSWER 30 in. 11. 12. 13. SKILLS CHECK