Find the value of the variable that satisfies the equation.
+ 3 = 12
A. x = 15
B. x = 92
C. x = 90
D. x = 54
Answer: D
Mathematics
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Graph the system of inequalities.y ? 3x + 2x + y ? -3
A. 
B. 
C. 
D. 
Mathematics
Assume you have a digraph with 5 vertices (A, B, C, D, and E) and 9 arcs. B is incident from D, E, and A; C is incident to E and A and incident from D; E is incident to D and incident from A.Vertex B has
A. indegree 1, outdegree 2. B. indegree 2, outdegree 1. C. indegree 3, outdegree 0. D. indegree 0, outdegree 3. E. none of these
Mathematics
Given the function, find the indicated value.f(x) = x2 - 5x + 3; f(0)
A. -3 B. 3 C. 0 D. 9
Mathematics
Divide. Assume all variables are nonzero.
A. 
B. 
C. 
D. x3y5
Mathematics