Use elimination by substitution to find the solution for the following system.
A. x = 1, y = 2
B. x = 0, y = 3
C. x = -3, y = 0
D. The system is inconsistent.
Answer: B
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Use a tree diagram showing all possible results when four fair coins are tossed. Then list the ways of getting the indicated result.at least two tails
A. hhtt, htht, htth, thht, thth, tthh B. hhtt, htht, htth, httt, thht, thth, thtt, tthh, ttht, ttth, tttt C. httt, thtt, ttht, ttth, tttt D. hhtt, htht, httt, thht, thth, tthh, ttht, ttth, tttt
Determine whether the relation defines y as a function of x. Give the domain.y = - 
A. Not a function; domain (-?, 0) ? (0, ?) B. Function; domain: (-?, ?) C. Function; domain (-?, 0) ? (0, ?) D. Not a function; domain (-?, 6) ? (6, ?)
Evaluate as specified.For f(x) = 2(243)x, find f 
.
A. -162
B. 
C. 162
D. 
Evaluate: 
A. 
B. 
C. 
D. 