Identify the sampling technique used to obtain a sample.A deck of cards is shuffled and a card is drawn at random.
A. Stratified sampling
B. Cluster sampling
C. Systematic sampling
D. Random sampling
Answer: D
Mathematics
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Determine whether the equation defines y as a function of x.x = y2 + 3
A. Yes B. No
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Classify each equation as linear or quadratic.8 = -7x2 + 13x
A. Quadratic B. Linear
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Factor completely.
A. 
B. 
C. 
D. 
E. 
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Solve the problem.Each side of a regular hexagon has length s. Find a formula for the distance d between the parallel sides of the hexagon.
A. d = 
s
B. d = 2s
C. d = s
D. d = s
Mathematics