Find the probability.Each digit from the number 2,373,553 is written on a different card. If one of these cards is selected at random, what is the probability of drawing a card that shows 2, 3, or 7?
A. 
B. 1
C. 
D. 
Answer: A
Mathematics
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Use the inverse trig functions to express the angle in terms of the indicated unknown side. 
Express angle A in terms of c. Use one of the inverse trig functions tan-1, sin-1, or cos-1.
A. A = cos-1 
B. A = sin-1 
C. A = sin-1 
D. A = cos-1 
Mathematics
Write the phrase as a mathematical expression. Use x as the variable.A number divided by -19
A. 
B. 
C. 
D. 
Mathematics
Write the rational expression in lowest terms.
A. -4x2y2 B. -18x2y2 C. -4xy3 D. -4x2y3
Mathematics
For the functions f(x) and g(x), determine the domain of (f ? g)(x) (the product of f and g).f(x) = 
, g(x) = 9x2 - 5
A. {x ? x is a real number and x ? 5} B. {x ? x is a real number} C. {x ? x is a real number and x ? 0} D. {x ? x is a real number and x ? -9}
Mathematics