Find the probability.One digit from the number 4,161,881 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: A
Mathematics
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Solve the equation for the unknown variable.log 10 (106) = x
A. x = 610 B. x = 10 C. x = 106 D. x = 6
Mathematics
Determine whether the expression represents a difference of two squares.x2 - 100y2
A. No B. Yes
Mathematics
Find the focus and the directrix of the parabola.x2 + 2x - 8y + 17 = 0
A. Focus: (-1, 10); directrix: y = 6
B. Focus: (-1, 4), directrix: y = 
C. Focus: (-1, 0); directrix: y = 4
D. Focus: (-1, 4); directrix: y = 0
Mathematics
Write the expression in expanded form.log 
A. log(6x3
) - log(5(x + 1)2)
B. log 6 + 3 log x + 
log(1 - x) - log 5 + 2 log(x + 1)
C. log 6 + 3 log x + 
log(1 - x) - log 5 - 2 log(x + 1)
D. log 6 + log x3 + log(1 - x)1/3 - log 5 - log(x + 1)2
Mathematics