Solve the problem.Mary and her brother John collect foreign coins. Mary has three times the number of coins that John has. Together they have 120 foreign coins. Find how many coins Mary has.
A. 18 coins
B. 84 coins
C. 30 coins
D. 90 coins
Answer: D
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Write a description of the shaded region using the symbols A, B, C, ?, ?, -, and ' as needed.
A. (A ? B)' B. B - A C. A' ? B D. A' ? B
Solve the problem.The average price for a quart of orange juice between 2002 and 2012 can be approximated by 
where x is the year. Evaluate P(2010) and interpret the result.
A. P(2010) = 2.78; the average price of a quart of orange juice in 2010 was $2.78. B. P(2010) = 2.69; the average price of a quart of orange juice in 2010 was $2.69 more than in 2002. C. P(2010) = 1.95; the average price of a quart of orange juice in 2010 was $1.95. D. P(2010) = 2.69; the average price of a quart of orange juice in 2010 was $2.69.
Perform conversions between percents, decimals, and fractions to complete chart. Write any repeating decimals with as few digits as possible.
A. 
B. 
C. 
D. 
Solve the linear inequality. Graph the solution set on a number line, and express the solution using interval notation.3x + 1 > 2x + 3
A. (4, ?)
B. (2, ?)
C. [2, ?)
D. (-?, 2]