Find the greatest common factor of the list of numbers.20 and 80
A. 80
B. 10
C. 20
D. 4
Answer: C
Mathematics
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Solve the problem.By switching service providers, a family's telephone bill decreased from about $50 a month to about $45. What was the percent of decrease?
A. 5% decrease B. 11.1% decrease C. 10% decrease D. 11% decrease
Mathematics
Solve the inequality.x3 > 3x2
A. (0, 3) B. (-?, 0) or (3, ?) C. (-?, 3) D. (3, ?)
Mathematics
Solve the problem.The value V of a car that is t years old can be modeled by V(t) = 19,699(0.81)t. According to the model, what is the value, to the nearest dollar, of a 3 year old car?
A. $12,925 B. $4471 C. $10,469 D. $47,869
Mathematics
Decide whether the statement is always true, sometimes true, or never true.The sum of two positive numbers is positive.
A. Never true B. Sometimes true C. Always true
Mathematics