Posted by **carla** on Thursday, February 8, 2007 at 1:40pm.

would someone check these please

1. find the square root of 25

answer 5

2. find the median of the following set of numbers

33,72,23,27,77,68,85

answer 68

3. find the mean of the following numbers

13, 15,18,18,18,19,22,26,28,33

answer 21

4. find the mode

15,14,10,15,,16

answer 15

5. the total budget of a company is $560,000 find the amount budget in the category of miscellaneous

miscellaneous is 10%

Answer $56,000

6.add -3/8+(8/35)

answer -13/35

7. evaluate |-14|

answer 14

8. subtract -7.1-(-8.3)

answer 1.2

9. Multiply (7.6) (1)(-6)

answer -45.6

10. divide 90/18

answer 5

11.find the reciprocal of 1/3(9-4)

answer 3/5

12.perform the indicated operation

-15-(-12)/-18-(-18)

answer was undefined

13. Which of the following numbers are integers

2/11, 705, 0.033, -780,86.7

answer 705 and -780

14 place the following set of numbers in ascending order

25,-13,8,-2,13,3,18

answer -13,-2, 3,8,13,18,25

please let me know which ones i need to restudy and do thank you

The only one I see a problem with is #6.

To add or subtract. you need a common denominator, in this case 8 x 35 = 280.

-105/280 + 64/280 = -41/280

I don't see how that reduces to -13/35.

I hope this helps. Thanks for asking.

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