Answer:
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1a is right
In 1b, add the tax, don't subtract, the answer would be 36.04
2a) 32.5*.2=6.5
2b)32.5-6.5=26
3a)12.5*.13=1.63
3b)13.83
4a)59.996
4b)89.4
I believe that the answer is 2.
Answer:

Step-by-step explanation:
6^4/6^1
6^(4-1)
=6^3
Answer:
When solving a rational equation, start by grouping or canceling out like terms. So cancel out x on the numerator and denominator of 2+7x/x. While the equation itself results in a contradictory statement - 5=9, the first step to figuring this out would be canceling out x.