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October 25, 2014

Homework Help: College Algebra

Posted by Krissy on Tuesday, January 15, 2013 at 9:33am.

I have a few more questions that I'm not understanding. Its multiple choice however I would appreciate a breakdown on how to solve.


1.Evaluate without a calculator, using the order of operations. -2^2+20-|8-20|-squareroot of 64

a. -36
b. 4
c. 28
d. -4

2.Simplify the expression. Square root of -16

a. 4
b. -4
c. -8
d. Not a real number

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