Rationalize the denominator. Simplify, if possible.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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The graph represents the 24-hour day of a small-business owner.
If "worry" is another form of work, what fraction of the day is spent working?
A. 
B. 
C. 
D. 
Mathematics
Translate the following into an inequality statement.x is at most -3 or is greater than 2.
A. x ? -3 or x > 2 B. x ? -3 or x < 2 C. x < -3 or x ? 2 D. x > -3 or x ? 2
Mathematics
Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
A. x = 3, y = 2, z = 5, w = 5; (3, 2, 5, 5) B. x = -6, y = 29, z = -36, w = -24; (-6, 29, -36, -24) C. x = 2, y = 4, z = 1, w = 7; (2, 4, 1, 7) D. x = 3 + w, y = 2 - 2w, z = 5 + 2w, where w is any real number
Mathematics
Find the exact value of the expression.cos
A. 
B. 
C. 
D. 
Mathematics