The answer should be 49 433/1000
So for this you will be doing proportions. Your equation will look like this: 
Firstly, cross multiply: 
Next, square root both sides of the equation, and your answer should be 
8)


The 4 is a squared number (2<span>×2).
</span>Answer:

12)

The 441 is a squared number (21<span>×21)
</span>Answer: 21
Answer:
The domain: All real numbers.
The range: y>0
Step-by-step explanation:
Domain means all possible x values, and by looking at the graph it covers all real numbers.
Range means all possible y values, and since the x axis is a horizontal asyntope, the graph will never touch the x axis, which is why the range is y>0.
Answer:
100!!!
Step-by-step explanation:
Because a straight line in geometry is equal to 180 SO...
180-80=100
Hope that helps!!