WASL Test Question:
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Which of the following is equivalent to (x)(x)(x)(x), for all x ?

Answer:

4x
x4
x + 4
4 x
2x2

Answer: B

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Naomi is a travel agent. She receives a commission of 5% for each ticket she sells. How much would her commission be from the sale of 6 airline tickets for $250 each?How many solutions are there to the equation x2 - 15 = 0 ?