Answer the question.Give an example of each of the following on the graph: odd vertex; even vertex; bridge; loop; circuit; a vertex of degree 5.
What will be an ideal response?
odd vertex: C, D, E, or F
even vertex: A, B, G, or H
bridge: edge CF, edge CD, or edge CE
loop: edge AA
circuit: ABCA or FGHF
vertex of degree 5: vertex C
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Find a general term an for the geometric sequence.a4 = - 
, a9 = 
A. an = 4 
n-1
B. an = 6 
n-1
C. an = 
n-1
D. an = 4 
n-1
Solve the problem by using two equations with two variables.Dmitri needs 5 liters of a 34% solution of sulfuric acid for a research project in molecular biology. He has two supplies of sulfuric acid solution: one is an unlimited supply of the 40% solution and the other an unlimited supply of the 30% solution. How many liters of each solution should Dmitri use?
A. 40% solution: 2.5 liters; 30% solution: 2.5 liters B. 40% solution: 3 liters; 30% solution: 2 liters C. 40% solution: 1.5 liters; 30% solution: 3.5 liters D. 40% solution: 2 liters; 30% solution: 3 liters
Let (m × n) denote a matrix of size m × n. Find the size of the following product, or state that the product is not defined.(1 × 1)(2 × 1)
A. 2 × 1 B. not defined C. 2 × 2 D. 1 × 2
Solve the system of linear equations. 7x + 8y = -40 5x + 2y = -10
A. (-1, -4) B. (0, -4) C. (0, -5) D. No solutions