Answer the question.When using the substitution or elimination method to solve a system of two equations, you end up with an equation stating 
What does this indicate to you about the system of equations?
What will be an ideal response?
Answers may vary. One possibility: The system has dependent equations. In other words, every solution of one equation is also a solution of the other, so the solution set is an infinite set of ordered pairs. We write the solution of a system of dependent equations as an ordered pair by expressing x in terms of y.
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Perform the indicated operation. Simplify, if possible.
- 
+ 4
A. 
B. 
C. 
D. 
Simplify.26 + 23 ÷ (-2)
A. -10,976.000 B. 22 C. -17.000 D. 30
Solve the problem.Suppose the tip of the minute hand of a clock is 5 in. from the center of the clock. Determine the distance traveled by the tip of the minute hand in 
hours. Give an exact answer.
A. 30? in. B. 15? in. C. 35? in. D. 20? in.
Solve the polynomial equation.3x4 - 10x3 + 20x2 - 40x + 32 = 0
A. x = - 
, -2, -2i, 2i
B. x = 
, 2, -2i, 2i
C. x = 
, 2, -4i, 4i
D. x = 
, 2, -i, i