Solve.When a single card is drawn from an ordinary 52-card deck, find the probability of getting a black 7.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve.Find the eccentricity of an ellipse whose vertices are (-22, 0) and (22, 0) and whose foci are (-14, 0) and 
Fill in the blank(s) with the appropriate word(s).
Mathematics
Simplify the expression.(x-5)7
A. -7x5
B. -7x35
C. 
D. - x35
Mathematics
Use division to write the rational expression in the form 
A. x + 5 - 
B. 
C. x + 5 + 
D. x + 6
Mathematics
Find the center of the hyperbola. 16(x + 3)2 - 25(y + 1)2 = 400
A. (2, -1) B. (-1, -3) C. (3, 1) D. (-3, -1)
Mathematics