The answer is never, that is, on a 2 dimensional plane. You can perform an experiment to see why it is the case. On curved surfaces though, two lines can intersect one another more than once. For instance, on the surface of planet Earth, two lines can intersect one another, both at the Earth's North Pole and South Pole.
Answer:
It's B
Step-by-step explanation:
"Brainlypatrol" is deleting my answers. >:(
There are 16 ways to arrange the row so that at least 3 girls always sit next to each other.
Okie, so you have 2 polynomials separated by a plus sign. If there were a number in front of the polynomial, you would need to factor, as well as if there was a negative sign. But there is just an addition sign so you just add as you would normally.
5x + 9 + 3x - 2 = 8x +7
I hope this helps :-)
Answer:
one slice of pizza costs 3 dollars.
Step-by-step explanation:
you multiply 0.75 by 3.
subtract 2.25 by 9
divide 9 by 3