Evaluate the determinant.
A. -92
B. 92
C. 68
D. -68
Answer: C
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Solve the problem.The volume V of a gas at constant temperature varies inversely as the pressure P on it. The volume of a gas is 
under a pressure of 
What will be its volume under a pressure of 40 kg/cm2?
A. 340 cm3 B. 85 cm3 C. 357 cm3 D. 77 cm3
Graph the function. Describe its position relative to the graph of the indicated basic function.f(x) = 4x-3 - 3; relative to f(x) = 4x
A. Moved left 3 unit(s);
moved up 3 unit(s)
B. Moved right 3 unit(s);
moved up 3 unit(s)
C. Moved left 3 unit(s);
moved down 3 unit(s)
D. Moved right 3 unit(s);
moved down 3 unit(s)
Graph the ellipse and locate the foci.9x2 + 16y2 = 144
A. foci at (0, 
) and (0, -
)
B. foci at (4, 0) and (-4, 0)
C. foci at (5, 0) and (-5, 0)
D. foci at (
, 0) and (-
, 0)
Find the best buy (based on cost per unit).Brand X: 20 oz for $1.00Brand Y: 25 oz for $1.75
A. Brand X B. Equal value C. Brand Y D. Not enough information