Answer: 130
Step-by-step explanation:
Plug in 3 for x
Assignment: 
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Answer: 
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Explanation: 
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[ Step One ] Switch Sides

[ Step Two ] Expand 

[ Step Three ] Rewrite Equation

[ Step Four ] Add 8 To Both Sides

[ Step Five ] Simplify

[ Step Six ] Divide Both Sides By -1

[ Step Seven ] Simplify

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Answer:
No solutions
Step-by-step explanation:

This equation has no solutions. Hope this helps!
Answer:
45
Step-by-step explanation:
1/200*90=9/20
multiply by 100 because you need to convert to cm and you get 45
Answer:
0.03
27
Step-by-step explanation:
Use the formula y=mx+b
m= slope
b= y-int
Rate of change can also be interpreted as the slope.
0.03
The initial value can be interpreted as the y-intercept.
27