A deck of cards contains 52 cards. These cards consist of four suits (hearts, spades, clubs, and diamonds) of each of the following: 2, 3, 4, 5, 6, 7, 8, 9, 10, jack, queen, king, and ace. If a card is chosen from a deck of cards, find the probability of each event.Selecting the queen of spades
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the limit.
A. ? B. 0 C. -? D. -1
Mathematics
Find the exact value of the sum.sin 15° - sin 105°
A. - 
B. 
C. - 
D. - 
Mathematics
Find the critical point(s) of the function. Then use the second derivative test to classify the nature of each point, if possible. Finally, determine the relative extrema of the function.
?
?
Find the critical point(s) of the function.
?
Find the point(s) of maximum.
?
Find the point(s) of minimum.
?
Find the relative extrema of the function.
What will be an ideal response?
Mathematics
Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation.-5x + 3y = 82x - 4y = -20
A. {(6, 2)} B. {(-6, -2)} C. {(-2, -6)} D. {(2, 6)}
Mathematics