1. 5x + 7 = 47 X = 8

2. d = ac - 20

3. Express in Scientific Notation

4. 9x + 2 + 3x +8 = 9 + 7x + 5x + 1 All Real Numbers

5. 8x + 8 = 3x + 2x - 31 x = -13

6. 5.7

8. -5

9. Rational or Irrational.45765.4576… RR IRR R

10. Write an equation and solve Tom went to the store he spent a total of $30.00. He bought 3 books that all cost the same amount. He also spent $9.00 on a CD. How much was watch book? 3x + 9 = 30 Each book was $7.00

13. a = b(d – c)

14. X = -2

15. 5x – 9 = 2x -7 + 3x No Solution

16. Find the two Square Roots 7 or -7 15 or -15 Not Real