The first one 7/2 represents the change in y over change in x.
For those kinds of questions I would refer to the change in y over change in x method.
Bullet 3 would work because 7/2 doesn’t result to 1. So that’s not the answer.
I hope that helps
Answer:
simplified version is 
Step-by-step explanation:
1.) find possible factors to 27 that have one perfect root (in this case, its 9)

2.) square each number in the radical

3.) simplify

Answer:
B
Step-by-step explanation:
Answer:
3240=2^3*3^4*5=2^3*3^3*3*5
k*2^3*3^3*15
so k=15^2=225
Step-by-step explanation: