1 người đi xe đạp từ A đến B với vận tốc là 15km/h. Lúc về người đó đi với vận tốc là 12km/h. Nên thời gian về lâu hơn thời gian đi là 30 phút. Hãy tính quãng đường AB

to plot points   for x just start at the origin (middle) and go to the left however many times it say(if the number is a positive) if the number is a negative then go right however many times it says if it is 0 go nowhere

now keep you pencil there and go up however many times it says on y(if it is positive) if it is negative then go down however many times it says. if it says 0 go nowhere.

you have just plotted a point! now when you finish plotting all of them connect them with a ruler

plot each point as (-3, 7), (0,4), (3,1), (8,-4)   in the parenthesis on the left of the comma is x and the right is y.

answer: idk

step-by-step explanation:

the line of