The graph represents a system of inequalities. Estimate the vertices.
A. 
B. 
C. 
D. 
E. none of these
Answer: A
Mathematics
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Find the limit using 
= 1.
A. 1 B. 5 C. 1/5 D. Does not exist
Mathematics
Factor the polynomial completely.25 - (r + 2t)2
A. (5 - r - 2t)2 B. (5 + r + 2t)(5 - r + 2t) C. (r + 2t + 5)(r + 2t - 5) D. (5 + r + 2t)(5 - r - 2t)
Mathematics
Find the first term and the common difference for the arithmetic sequence.S3 = - 3, a3 = -4
A. a1 = 10, d = -3 B. a1 = 10, d = -2.67 C. a1 = 2, d = -3 D. a1 = 2, d = -2.67
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
A. 
B. 7
C. 
D. 7
Mathematics