Answer:

Step-by-step explanation:

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The applicable rules of exponents are ...

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Answer:
x is approximately 11.5
Explanation:
10x - 20 + 7x + 4 = 180
17x - 16 = 180
17x = 196
x is approximately 11.5
Answer:
$11
Step-by-step explanation:
44 x 0.25 = 11