Differentiate.
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The circle graph shows the results of the student council presidential election. The complete circular area represents 100% of the votes.
The circle graph shows what percent of the vote each person received.Who got the fewest votes?
A. Ming B. Gina C. Jim D. Ben
Find the tax. Use $3700 for each personal exemption; a standard deduction of $5800 for single people, $11,600 for married people filing jointly, $5800 for married people filing separately, and $8500 for head of a household; and the tax rate schedule. 
Brian Moss had wages of $72,328, dividends of $374, interest of $686, and adjustments to income of $1065 last year. He had deductions of $875 for state income tax, $455 for city income tax, $985 for property tax, $6691 in mortgage interest, and $185 in contributions. He claims two exemptions and files as head of household.
A. $8873.25 B. $8700.50 C. $2543.25 D. $10,998.25
Solve.The time T necessary to make an enlargement of a photo negative is directly proportional to the area A of the enlargement. If 84 seconds are required to make a 3-by-4 enlargement, find the time required for a 7-by-5 enlargement.
A. 210 sec B. 280 sec C. 245 sec D. 315 sec
Solve.The ratio of the weight of an object on Earth to an object on Planet X is 2 to 11. If a person weighs 210 pounds on Earth, find his weight on Planet X. (Round to the nearest whole number, if necessary.)
A. 4620 pounds B. 38 pounds C. 1155 pounds D. 10 pounds