I'm fairly sure that the answer is an ecosystom.
I think it's the answer C, because in the second and third pairs, the -2 are the same.
Answer:
E
Step-by-step explanation:
2^2 = 4
√(4^2 + √5 ^2) = √21
Answer:
GCF would be 10
Step-by-step explanation:
GCF, aka <em>the greatest common factor</em> is the biggest number that can be multiplied to get that number. for example, in this situation it would be 1- because 10 can be multiplied to get any of those numbers. 1 x 10 = 10 ; 2 x 10 =20 ; 4 x 10 = 40. hope this helped!!
