Determine whether the graph represents a function.
A. Yes
B. No
Answer: A
Mathematics
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Solve the problem.An item is originally priced to sell for $55 and is marked down 20%. A customer has a coupon for an additional 5%. What is the total percent reduction for this item? Give the net decimal equivalent and total percent reduction.
A. 0.76; 24% B. 0.25; 75% C. 0.75; 25% D. 0.24; 76%
Mathematics
Find the equation of the least-squares regression line and the linear correlation coefficient for the given data. Round constants to the nearest thousandth.
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Mathematics
Write the improper fraction as a mixed number.
A. 5
B. 4
C. 6
D. 
Mathematics
Simplify.(5a)2
A. 25a B. 10a C. 25a2 D. 10a2
Mathematics