In a recent election involving three candidates, 20% of the voters preferred candidate A to C and C to B. Forty percent preferred candidate C the most and A the least. The other 900 voters preferred B the most and A the least.How many people voted in this election?
A. 4500
B. 2250
C. 1800
D. 900
E. none of these
Answer: B
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Solve the rational inequality. Express the solution in interval notation.
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A. 
? (4, ?)
B. (-?, -4) ? 
C. 
D. (-?, -4) ? (4, ?)
Use the even-odd properties to find the exact value of the expression. Do not use a calculator.sin (-30°)
A. - 
B. - 
C. 
D. 
Solve the problem.A computer is purchased for $4300. Its value each year is about 75% of the value the preceding year. Its value, in dollars, after t years is given by the exponential function V(t) = 4300(0.75)t. Find the value of the computer after 9 years.
A. $181.61 B. $29,025.00 C. $322.86 D. $242.15
Solve the problem.A hardware store owner advertises a certain brand of drill. Each month he changes the price of the drill and tracks the number of units sold. After six months of tracking, he derives an equation equating the price and the number of units sold. His equation is sales (s) equals -3 times the price (p) plus the constant 32, or 
Complete the table, plot the points on the graph, and use the information to predict how many units will be sold if the price is $10 each.
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A. 
14 units will be sold if the price is $10 each.
B. 
62 units will be sold if the price is $10 each.
C. 
2 units will be sold if the price is $10 each.
D. 
50 units will be sold if the price is $10 each.