Find the probability.One digit from the number 4,979,889 is written on each of seven cards. What is the probability of drawing a card that shows 4 or 8?
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find y '.y = 
A. 2x + 
B. 2x + 
C. 2x + 
D. 2x - 
Mathematics
Factor completely.x2 - x - 42
A. (x + 7)(x - 6) B. (x + 6)(x - 7) C. (x + 1)(x - 42) D. Prime
Mathematics
Evaluate the polynomial.P(x) = 2x3 - 4x2 + 31, P( 2)
A. 39 B. 19 C. 21 D. 31
Mathematics
Solve the equation by completing the square.x2 + 12x + 27 = 0
A. ±
B. 36, -9
C. 3, 9
D. -3, -9
Mathematics