Answer:

Step-by-step explanation:

12.2
((12) - (0))^2 + ((3) - (5))^2
Answer:
b = y=1/3x-1
Step-by-step explanation:
first there is minus one because y is not at 0 its at -1 so eliminate a and d
so trial and error if its 3x no because if you go 3 up and 1 right the line doesnt match so eliminate that one so it is b
The line going from side to side is the x coordinate and the first number in the ordered pair the second number is the y coordinate which is the line going up and down. You take the first number and go to it on the line going side by side then you stay there and go up or down from that position how many spaces the second number is.
Answer:
We use a symbol because pi itself is not just a number. It goes on forever and in order to represent this number we use the symbol of pi (π). Or we round it to 3.14.
Step-by-step explanation: