5≤x≤9 it can also be reversed as 9≥x≥5 which is the same thing
Answer:
C. 
Step-by-step explanation:
{y = ¼x - 3}
{2x + 4y = 12
2x + 4[¼x - 3] = 12
2x + x - 12 = 12
3x - 12 = 12
+ 12 + 12
_________
3x = 24
__ __
3 3
[Plug this back into both equations above to get the y-coordinate of −1]; 
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Answer:
The experiment is identifying whether a student gets less than a 75% on the entrance exam.
The trial is one exam being taken.
An outcome is a student scoring 80%.
Step-by-step explanation:
An experiment occurs when an intervention is made by a researcher and its effect are studied, thus the experiment here is identifying whether a student gets less than a 75% on the entrance exam.
The trial is the one exam being taken.
While an outcome is the aftermath of the experiment which includes a student scoring 80%.
Answer:
64= 39+x
Step-by-step explanation:
x represents the unknown or in this case the money made to get to 64
39 is what she started with and 64 is the final total