Fill in the blank with one of the words or phrases listed below.
In a system of linear equations in two variables, if the graphs of the equations are different, the equations are 
equations.
A. substitution
B. addition
C. independent
D. dependent
Answer: C
Mathematics
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Find the sum of the given infinite geometric series.10 + 5 + 
+ . . .
A. 20
B. 
C. 5
D. 
Mathematics
Provide an appropriate response.Reduce the matrix: 
What will be an ideal response?
Mathematics
Find the x- and y-intercepts of the graph of the equation. 9x2 + y2 = 9
A. x-intercepts: -1, 1; y-intercepts: -3, 3 B. x-intercepts: -9, 9; y-intercepts: -1, 1 C. x-intercepts: -3, 3; y-intercepts: -1, 1 D. x-intercepts: -1, 1; y-intercepts: -9, 9
Mathematics
Solve the problem.The mathematical model 
represents the cost in dollars a company has in manufacturing x items during a month. How many items were produced if costs reached $300,000?
A. 1000 items B. 299,600 items C. 500 items D. 250 items
Mathematics