You can see if it's a square and looking to see if <em><u>all</u></em> the side lengths are the same size!
X = 8.
We know this since the line in question is vertical, so we automatically know it will be x (vertical lines can only pass through the x axis, because the y axis is already vertical).
Vertical lines will pass through only 1 x-coordinate, but they pass every point on the y-axis, since they infinitely go up and down (which, we already said, is the y-axis).
Answer:
they got -21 when they were supposted to get +21
and they also got +6x when they were supposted to get -6x
Step-by-step explanation:
that's because -3 and 2x are multiplied together and when you are multiplying negative and positive number you need to get negative result.
when you are multiplying negative with negative number, you will get positive number.
Answer:
2
Step-by-step explanation:
The total length of the two bridges is 5020 ft.
In order to find the combined length of these two bridges, simply add the two numbers together.
4260 + 760 = 5020.
