Provide an appropriate response.When using the substitution or elimination method to solve a system of two equations, you end up with an equation stating 0 = 0. What does this indicate to you about the system of equations?
What will be an ideal response?
The system has dependent equations.
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One bacterium divides into two bacteria every 5 minutes. If two bacteria multiply enough to completely fill a petri dish in 3 hours, how long will it take one bacterium to fill the dish? Give the answer in minutes. ? Please enter your answer as a number without the units.
Fill in the blank(s) with the appropriate word(s).
Use the pictograph to answer the question.This pictograph shows projected sales of compact disks (CDs) for a popular rock band for seven consecutive years. 
? = 10,000 CDsIn which year will the greatest number of CDs be sold?
A. 2001 B. 2004 C. Not enough information is given. D. 1999
Match the function to its graph.y = -tan x
A. 
B. 
C. 
D. 
Simplify.  figure 1.png)
(a) tan x (b) sin 2x (c) -cos x (d) cos x (e) -cos² x