Solve.Fred has taken four exams so far in his Chemistry course. His scores are 86, 85, 76, and 92. What is the average of these scores?
A. 84.75
B. 87.75
C. 169.5
D. 80.75
Answer: A
Mathematics
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A. - 
B. - 
C. Undefined
D. -4
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Write the whole number in expanded form.726
A. 600 + 20 + 7 B. 7000 + 200 + 60 C. 72,600 D. 700 + 20 + 6
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Sketch the graph of the function.y = sin 
A. 
B. 
C. 
D. 
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Determine the value of each variable.
= 
A. x = -2; y = 7; m = -8 B. x = -2; y = -7; m = -8 C. x = 2; y = 7; m = 8 D. x = 7; y = 2; m = 8
Mathematics