Perform the row operation(s) on the given augmented matrix.R1 = 
r1
A. 
B. 
C. 
D. 
Answer: B
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Which of the following is not true about the angles in a parallelogram??
A. ?Opposite angles are congruent. B. ?Adjacent angles are congruent. C. ?Adjacent angles are supplementary. D. ?The sum total of interior angles in a parallelogram equals 360?. E. ?When a parallelogram is bisected at a diagonal, the two triangles resulting are congruent because of the ASA Postulate.
Evaluate.(-3)3
A. 27 B. 9 C. -81 D. -27
Solve the problem.You invested $34,000 and started a business writing greeting cards. Supplies cost 11¢ per card and you are selling each card for 75¢. Let x represent the number of cards produced and sold and write the profit function, P. More than how many cards must be produced and sold for you to make money?
A. P(x) = 64x - 34,000; more than 531 cards B. P(x) = 0.86x - 34,000; more than 39,535 cards C. P(x) = 0.64x - 34,000; more than 53,125 cards D. P(x) = 0.64x + 34,000; more than 53,125 cards
Set up an integral for the length of the curve.y = 2 cot x, 
? x ? 
A. 
B. 
C. 
D. 