Solve the problem.Find the gasoline price index for a year in which the cost of gasoline was $1.87 per gallon. Use the 1965 price as the reference value. In 1965, the cost of gasoline was 31.2 cents per gallon.
A. 599.4
B. 16.7
C. 155.8
D. 6
Answer: A
Mathematics
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Use the formula for 
to evaluate the expression.
A. 0 B. 5040 C. 70 D. 1
Mathematics
Solve the system by substitution.
A. (2, -2) B. (3, 0) C. (0, -8) D. (0, 0)
Mathematics
Solve the inequality. Graph the solution set and write the solution set in set-builder notation.(x + 5)(x - 2)(x - 4) > 0
A. {x
}
B. {x
}
C. {x
}
D. {x
}
Mathematics
Determine whether the function satisfies a Laplace equation.f(x, y, z) = 5x2 - 3y2 - 2z2
A. Yes B. No
Mathematics