Solve the problem. Write ratios in lowest terms.Tuition at a certain college recently increased from $4000 to $9000. Find the ratio of the increase in price to the original price.
A. 
B. 
C. 
D. 
Answer: C
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Find the volume of the solid generated by revolving the region about the given axis. Use the shell or washer method.The region bounded by x = 6
, x = - 6y, and y = 1 about the line y = 1
A. 
?
B. 
?
C. 
?
D. 6?
The following table shows the earnings for the Juarez family last year. Use this information to answer the question.MonthEarningsMonthEarningsJan.$1400July$1300Feb.$1150Aug.$2450Mar.$2950Sept.$2500Apr.$2300Oct.$2000May$1650Nov.$2350June$2700Dec.$2400What was the family's total income from January thru June?
A. $11,000 B. $9,200 C. $12,150 D. $13,000
Match the system of equations with one of the graphs.xy = 9x + y = 6
A. 
B. 
C. 
D. 
Solve.A fossilized leaf contains 34% of its normal amount of carbon 14. How old is the fossil? Use 5600 years as the half-life of carbon 14 and round to the nearest year.
A. 33,788 yr B. 28,438 yr C. 8700 yr D. 3351 yr