Solve the problem.On one New Year's day, the price of gasoline in California was $2.31 per gallon. On the same day, the price of gasoline in one region of Mexico was $0.89 per liter. Where was gasoline more expensive on that day? By how much? Give your answer in dollars per gallon.

A. In Mexico gasoline is $0.28 per gallon more expensive than in California. 
B. In California gasoline is $2.08 per gallon more expensive than in Mexico. 
C. In California gasoline is $7.86 per gallon more expensive than in Mexico. 
D. In Mexico gasoline is $1.06 per gallon more expensive than in California. 


Answer: D

Mathematics

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Find the value of the determinant.

A. 6 B. -6 C. 0 D. -10

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The sequence is defined recursively. Write the first four terms.a1 = 2, a2 = 5; an = an-2 - 3an-1

A. a1 = 2, a2 = 5, a3 = 17, a4 = -46 B. a1 = 2, a2 = 5, a3 = 1, a4 = 2 C. a1 = 2, a2 = 5, a3 = -13, a4 = 44 D. a1 = 2, a2 = 5, a3 = -1, a4 = -16

Mathematics

Solve the application.At 5 AM, the outside temperature was -6.4°C. By 7 AM, the temperature had risen 3.65°C. What was the temperature at 7 AM?

A. -2.75°C B. -10.05°C C. 23.36°C D. 10.05°C

Mathematics

Use a calculator to find ? to the nearest tenth of a degree, if  and ? with ? in QII ?

A. 127.5
B. 130.0
C. 126.5
D. 124.2
E. 129.5

Mathematics