Solve the problem.Jim has gotten scores of 98 and 70 on his first two tests. What score must he get on his third test to keep an average of 80 or better?
A. at least 82
B. at least 84
C. at least 72
D. at least 70
Answer: C
Mathematics
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Place the correct symbol, >, <, or =, in the blank in the given pair of fractions.
A. > B. = C. <
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Compute the square root.
A. 22 B. 23 C. 24 D. 21
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Write the phrase as a variable expression. Use x to represent "a number."The quotient of 56 and a number
A. x - 56
B. 56 - x
C. 
D. 
Mathematics
Consider the following simplex tableaux.I.
?II.
?
III.
?IV.
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Which of these tableaux have a solution that corresponds to a minimum for the associated linear programming problem?
A. I only
B. II and IV only
C. II, III, and IV only
D. II and III only
E. IV only
Mathematics