Solve and check your answer.1 + x = 13
A. 11
B. 14
C. 15
D. 12
Answer: D
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Solve the problem.James, Carl, Mark, Antonio, Phillip, and Brad are friends at college. James, Antonio and Phillip have calculus together. Brad and Carl have the same English composition class. Draw a graph with vertices representing students and edges representing the relation "take a common class". How many components does the graph have? Identify a subgraph that is a complete subgraph with three vertices.
What will be an ideal response?
Solve the equation. Use the addition axiom.x + 2 = -18
A. {20} B. {16} C. {-16} D. {-20}
Determine whether the vectors v and w are orthogonal.v = < 3, -2 >, w = < -6, -9 >
A. Orthogonal B. Not orthogonal
Factor by grouping.x3 + 8x2 + x + 8
A. (x2 + 1)(8x + 8) B. (x2 + 8)(x + 1) C. (x2 + 1)(x + 8) D. (8x2 + 8)(x + 1)