Each day Larry needs at least 10 units of vitamin A, 12 units of vitamin B, and 20 units of vitamin C. Pill #1 contains 4 units of A and 3 of B. Pill #2 contains 1 unit of A, 2 of B, and 4 of C. Pill #3 contains 
of A, 1 of B, and 5 of C.Pill #1 costs 7 cents, pill #2 costs 3 cents, and pill #3 costs 
Larry wants to minimize cost. What is the constraint inequality for vitamin B?
A. 4P1 + P2 + 10P3 ? 10
B. 7P2 + 3P3 + 11P3 ? 12
C. 3P1 + 2P2 + P3 ? 12
D. 3P1 + 2P2 + P3 ? 3
Answer: C
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Solve the equation 
. Restrict your attention to the horizontal span of 0 to 5. Round your answer to two decimal places if necessary.
?
A. 1.47 B. 0.33 C. 0.46 D. 1.97
The cities of Beijing, Sydney, Manchester, Berlin, and Istanbul each vied to hold the 2000 Summer Olympics. There was an election using plurality with elimination. Four rounds worth of Olympic Committee voting are shown in the table below. 
Why is it that these results could not have come from preference ballots?
A. Beijing had more first place votes in the first round, but lost the election. B. Beijing had a plurality in the first three rounds of voting, but lost the election. C. The number of votes for Manchester decreased between the second and third round. D. Berlin received the same number of votes in the first and second rounds. E. none of these
Find the Social Security tax for the current pay period. Assume a 6.2% FICA rate up to a maximum of $110,000.Gross Earnings This Year: $103,167.46Current Period Earnings: $3158.07
A. $195.80 B. $-227.82 C. $423.62 D. $417.42
Find an equation of variation for the given situation.y varies jointly as x and w and inversely as z, and y = 
when x = 2, w = 5, and z = 20.
A. y = 
B. y = 4xwz
C. y = 
D. y = 