30 POINTS PLS HELP ASAP! AND ANSWER EACH ONE

1. a square bulletin board has an area of 100ft^2

what is the side length of the bulletin board? ft

what is the perimeter of the bulletin board? ft

2.which is the correct classification of the vaule 2pi?
A. real, rational, integer
B. real, rational
C. irrational, integer
D. real, irrational

3. simplify each expression
-9x +12 - 10 + x
3/4x + 17 - 1/4x - 19
13 + 12x - 4x - 14
-3/2x - 68 + 2x + 8

brainlist will be added if explation if but down for each *not required tho*

1. a square bulletin board has an area of 100ft^2 what is the side length of the bulletin board?

Answer: 10 ft

• Area = side × side

2.which is the correct classification of the vaule 2pi?

D. real,irrational

→ It is irrational because it has no denominator, it is real because it has no imaginary part, and it can be plotted on a number line.

3. simplify each expression

1. 3.4/4

2. 0.8/7

3. 0.5 x 3

4. 0.9 x 6

5. 10.8

6. 2.35

7. 0.567

8. 9.35

9. 0.02

10. 0.06

11. 0.16

12. 0.42

13. 0.63

14. 5.6

15. 8.1

16. 9.9

17. 0.28

18. 0.48

19. 0.27

20. 0.49

21. 0.45

22. 0.72

23. 0.9

24. 0.88

25. 0.75

26. 0.16

27. 0.328

28. 0.495

29. 0.72

30. 1.068

if im not mistaking its

step-by-step explanation: