Answer:
400 x however long those ribbons are
Step-by-step explanation:
1 meter is 100 centimeters, and there are four rolls. so 4x100 equals 400, and you multiply that by the length that you didn't provide.
<h3>
Answer:</h3>
y=kx
Step-by-step explanation:
That's the formula for direct variation relationships!
The other two answers are nonsense and don't mean anything.
Answer:
I believe it's C... Not sure though...
(x+y-3)(x+y+3) = x^2+xy+3x+xy+y^2+3y-3x-3y-9 = -9+x^2+y^2+2xy
Answer:
About 1.01 times longer
Step-by-step explanation:
we have to divide 212 by 210 since these are the lengths to get about 1.01.
Hopes this helps please mark brainly