Find the solution set for the equation.|7x + 4| = |7x - 4|
A. {0, 4}
B. ?
C. {0}
D. {0, 7}
Answer: C
Mathematics
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The following table shows the height, in inches, of a boy who is 
years old.
59131721
37.2649.6861.3268.4171.62?
Use the averaging to estimate the boy's height at age 7.
?
A. 62.10 inches
B. 43.47 inches
C. 41.21 inches
D. None of the above
Mathematics
Perform the operation and give the answer as a fraction in lowest terms.
A. 
B. - 
C. - 
D. 
Mathematics
Divide.
A. 1173 R 31 B. 1178 R 39 C. 1168 D. 1158
Mathematics
Find the area of the following triangle T.The vertices of T are O(0, 0, 0), P(2, 4, 1) and Q(3, 3, 1).
A. 
B. 
C. 
D. 
Mathematics