Solve the problem.How many different three-digit numbers can be written using digits from the set {5, 6, 7, 8, 9} if digits may not be repeated?
A. 120
B. 60
C. 10
D. 20
Answer: B
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Provide an appropriate response.What is the name of a triangle with two equal sides?
A. isosceles triangle B. scalene triangle C. equilateral triangle D. right triangle
Write the system in the form 
Then solve the linear system by computing 
with a calculator. Round numbers to the nearest tenth, as necessary.1.6x + 17.9y - 4.7z = 1.23.1x - 7.0y - 1.3z = -3.23.8x + 18.9y + 3.8z = 9.7
A. (0.1, 0.3, 0.9) B. (0.0, 0.1, 0.4) C. (0.1, 0.7, 2.1) D. (0.0, 0.1, 0.2)
The graph of a function f is given. On the same axes, sketch the graph of f-1. 
A. 
B. 
Provide an appropriate response.The functions f(x) and g(x) are linear, and the solution set for 
is 
Furthermore, 
What can you say about f(x) and g(x) for 
A. f(x) > g(x) B. f(x) ? g(x) C. f(x) ? g(x) D. Nothing about the relationship between f(x) and g(x) can be determined.