15 should be greater than (-3w) becuase whatever you times with -3 it'll equal negative something so it's 15.
The expression that she can use is 1/6 x 1/5
I hope this can help :)
Answer:
its a such a hard questions i think you should ask to you're teacher ?
Answer: 1/(x+2)Step-by-step explanation:=(x-2)(1)/(x-2)(x+2) cancel (x-2)=1/(x+2)
Step-by-step explanation: