The exercise below involves a negative of a mixed number. Express the number in the fractional form 
.-7
A. 
B. 
C. 
D. 
Answer: D
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Tell whether the expression is a monomial. If it is, name the variable(s) and coefficient, and give the degree of the monomial.
A. Monomial; variables x, y; coefficient 6; degree 2 B. Monomial; variables x, y; coefficient 6; degree 1 C. Monomial; variables x, y; coefficient 6; degree -2 D. Not a monomial
Solve the problem.Using a phone card to make a long distance call costs a flat fee of $0.25 plus $0.33 per minute starting with the first minute. Find the total cost of a phone call which lasts 8 minutes.
A. $2.89 B. $2.33 C. $2.64 D. $8.08
A survey of 150 students showed that 90 were taking psychology, 75 were taking economics and 22 were taking neither. The number taking both was _____.
A. 165 B. 143 C. 128 D. 37
Solve using the absolute value property. 
= -4
A. {-2} B. {-2, -10} C. {2, 10} D. ?