It could be either, we need more info. How big are each? If it doesn't say, then it's a trick question. Throw Schrodinger's cat at it or something.
C is the answer cause 9 is the common factor
Answer:
for the first one do 15 divided by 10 and the second one 18 divided by 8.
Step-by-step explanation:
Answer:
The length is 13m.
Step-by-step explanation:

Answer:
x = -11
Step-by-step explanation:
Add 9 to both sides of the equation
3 − 9 = −42
3 − 9 + 9 = −42 + 9
Simplify
Add the numbers
3 = −33
Divide both sides of the equation by the same term
3 = −33
3/3 = −33/3
Simplify
Cancel terms that are in both the numerator and denominator
Divide the numbers
= −11