Find the LCM for the given numbers by an appropriate method.168 and 126
A. 42
B. 1512
C. 504
D. 1008
Answer: C
Mathematics
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Use a sketch to find the exact value of the expression.cot 
A. - 
B. 
C. 
D. 
Mathematics
Graph the parabola and label the vertex. Find the x-intercept.x = 
y2 + 3
A. vertex (3, 0), x-intercept (3, 0)
B. vertex (- 3, 0), x-intercept (- 3, 0)
C. vertex (3, 0), x-intercept (3, 0)
D. vertex (- 3, 0), x-intercept (- 3, 0)
Mathematics
Add or subtract. Assume all variables represent positive real numbers.3 
+ 4xy 
A. 15 xy3
B. 15x2y3
C. 7xy4
D. 7x2y4
Mathematics
Match f(x) with its graph.f(x) = -3x - 4
A. 
B. 
C. 
D. 
Mathematics