Answer:
I think its A but im not sure
Step-by-step explanation:
Answer:20cm
Step-by-step explanation:
If the blue ribbon is 9cm shorter you’re just subtracting 29-9 which is 20cm.
Answer:
Step-by-step explanation:
(x^2 +1)(x^2 +1)
x^4 +x^2+x^2 +1
x^4+2x^2 +1 answer
Hope this helps!