Use the Laws of Exponents to simplify. Write the answer with positive exponents. All variables are nonzero.
A. 
B. 4y
C. 2x6y
D. 
Answer: A
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Graph the equation and its tangent.Graph y = x2 - 2x - 6 and the tangent to the curve at the point whose x-coordinate is -2.
A. 
B. 
C. 
D. 
Find the probability.If 82% of scheduled flights actually take place and cancellations are independent events, what is the probability that 3 separate flights will take place? Round to the nearest hundredth.
A. 0.82 B. 0.55 C. 0.01 D. 0.67
Simplify.7.72 × [(7 - 3.6) ÷ 0.04 + 0.3]
A. 5064.443 B. 50,574.37 C. 5057.437 D. 50,588.93
Consider the spheres shown in the figure.The sphere at the left shows two lines. In Euclidean geometry, we know that two lines are either parallel or cross at exactly one point. Discuss this property in relation to what you observe in the figure.
What will be an ideal response?