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题目： Is $$ x > 0$$?(1)$$ x^2 > 0$$(2) $$x + 2 > 0$$

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题目： What is the area of circle O?(1) The circumference of circle O measures $$24\pi$$ inches.(2) The diameter of circle O measures 24 inches.

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题目： Given the figure to the right, what is $$y_2$$?(1) $$y_1$$ is 1.5(2) $$x_1$$ is -2

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题目： What is the value of x?(1)$$\sqrt{4x} = 6$$(2)$$ x^2 = 81$$

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题目： Is $$\frac n{14}$$ an integer?(1) n is divisible by 28.(2) n is divisible by 70.

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题目： If r and q are integers, what is the value of $$(5^r)(3^{q+1})$$?(1) $$(5^r)(3^q) = 729$$(2) $$r + q = 6$$

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题目： Is $$xy \gt 0$$?(1) $$x^2 \gt 0$$(2) $$xy^2 \gt 0$$

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题目： Is x positive?(1) $$(x – 3)^2 > 0$$(2) $$x^3 – 1 > 0$$

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题目： If $$xy \neq 0$$, what percent is x of y?(1) x = 3y(2) x - y = 6

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题目： In the figure to the right is b > a? (Note: Figure not drawn to scale.)(1) a = 35(2) a < 60

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题目： In the current year's graduating class at a local university, students graduated either with or without honors. How many students graduated with honors?(1) 20% of the students graduated with honors.(2) 84 students graduated without honors.

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题目： Fermat primes are prime numbers that can be written in the form $${2}^{k}+{1}$$, where k is an integer and a power of 2. Which of the following is NOT a Fermat prime

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题目： If $${2}^{x}+{2}^{x}+{2}^{x}+{2}^{x}={2}^{n}$$, what is x in terms of n?

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题目： Which of the following is equal to $${5}^{17}\times{4}^{9}$$?

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题目： In 1995 a certain store had 1,800 tools in stock that had been purchased for $30 each. If 1,000 of these tools were sold in 1995 for $40 each and the remaining 800 were sold in 1996 for $50 each, how many greater was the gross profit on the tools sold in 1996 than the gross profit on those sold in 1995?