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Answers by MONA S.

The first step is to see that you need to get a common denominator for the 2/3 and 3/4 so that you can subtract the 2/3 from both sides. 12 is the smallest common multiple of both fractions. 3 goes into 12 four times so multiply the top and bottom by 4 and 2/3 becomes 8/12 : we just renamed...

What is (abc)^2? (answer)

abc is being used as a factor twice therefore according to the laws of exponents when we are multiplying exponents we add them.  In this case abc times abc would be a^2b^2c^2.  abcxabc each variable is raised to the first power so 1+1 equals 2 and therefore the exponent is equal to...