1. 6x + 5 = 47 X = 7

2. Express in Scientific Notation

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

4. 10x + 9 = 3x + 9x - 31 x = 20

6. 7.1

8. Not Real

9. Rational or Irrational.4576…5.25778 7.67 RR IR R R

10. Write an equation and solve Cell phone company “A” charges a $120 set up fee and $.20 per minute. Cell phone company “B” charges a $70 set up fee and $.25 per minute. How many minutes would it take for both companies to have the same price?.20x + 120 =.25x + 70 10 Minutes

13. X = 12

14. 5x – 9 = 2x -7 + 3x No Solution

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

16. -7