Why might variable expenses change a great deal at different times of year? Heating and cooling costs might vary considerably. I
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Answer:
Step-by-step explanation:
Since the whole right side of that triangle is equal to 28 and the lower portion is 21, then we know the upper portion is 7. Set up a proportion using those sides and the fact that the 2 triangles are similar:
and cross multiply to get
21x = 126 and
x = 6
If the denominator does not equal 0, the equivalent expression of is
The expression is given as:
Divide 14 by 7
Apply the law of indices
Evaluate the differences in the exponents
Hence, the equivalent expression of is
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