Find the LCD for the fractions in the list.
, 
A. (r + 5)2
B. r(r + 5)
C. r(r + 1)(r + 5)
D. r(r + 5)2
Answer: D
Mathematics
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Find the vertex of the parabola.g(x) = x2 - 5x + 12
A. 
B. 
C. 
D. 
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Tell whether the angle is acute, right, obtuse, or straight.?ADB 
A. Right B. Straight C. Acute D. Obtuse
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Find the nth term an of the geometric sequence.?5, ?8, ?11, ?14, . . .
A. an = ?(8/5)n B. an = ?3n+2 C. an = ?5n+2 D. an = ?3n
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Simplify the radical expression. Assume that variables represent positive numbers.
A. 
B. 
C. 
D. 
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