Provide an appropriate response.The scores of eight students on a 20-point quiz were recorded: 1, 15, 10, 10, 6, 7, 2, 13. Find the mean.
A. 7
B. 8
C. 9.1
D. 14
Answer: B
Mathematics
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Refer to the following normal curve, with mean ? and standard deviation ?.
The standard deviation ? =
A. 30 B. 15 C. 10 D. 60 E. none of these
Mathematics
Find the exact value for x in the interval 
that satisfies the equation. tan (x) = 
A. 
B. 
C. 
D. 
Mathematics
Identify the graph of the equation as a parabola, circle, ellipse, or hyperbola.(x - 5)2 = 25 - y2
A. Parabola B. Hyperbola C. Ellipse D. Circle
Mathematics
Simplify.48 ÷ 0 + 2
A. 50 B. 2 C. 24 D. undefined
Mathematics