Solve. Where appropriate, include approximations to the nearest thousandth. If no solution exists, state this.8.1x - 80 = 0
A. 0.541
B. 0.477
C. 2.290
D. 2.095
Answer: D
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Assume you have a digraph with 5 vertices (A, B, C, D, and E) and 9 arcs. A is incident from C, D, and E; B is incident to D and E and incident from C; D is incident to C and incident from E.Vertex B has
A. indegree 3, outdegree 0. B. indegree 0, outdegree 3. C. indegree 2, outdegree 1. D. indegree 1, outdegree 2. E. none of these
Find the measures of the angles or the side lengths as indicated.Find the lengths of the other sides of the parallelogram.
= 92.0 and 
= 51.1 
A. 
= 51.1, 
= 92.0
B. 
= 51.1, 
= 92.0
C. 
= 51.1, 
= 92.0
D. 
= 51.1, 
= 102.2
Find the missing values.
A. $98.40, $141.60 B. $48.00, $192.00 C. $96.00, $144.00 D. $93.60, $146.40
Add or subtract. Assume all variables represent positive real numbers.
+ 
A. 13x + 78
B. 5x + 12
C. -
D. 5