Use elementary row or column operations to evaluate the determinant.
?
 
?

A. ?-84
B. 1,812
C. ?-1,212
D. ?180
E. ?-180


Answer: D

Mathematics

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Solve the formula  i = prt for the variable r. Then substitute numbers i = 48 , p = 200, and t = 4 to find the variable's value. 

A. r = 148 B. r = - 156 C. r = 0.06 D. r = 252 E. r = 0.24

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Graph the equation by determining the missing values needed to plot the ordered pairs.y - x = 2; (2, ), ( , 8), (4, )

A.

B.

C.

D.

Mathematics

Find the second derivative of the function. ? 

A.
B.
C.
D.

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Sketch the curve.

Mathematics