Answer:
equivalent = 30w 30(w) 30*w
the rest are non equivalent
-.x+7
-x+7=0
-x=-7
x=7...
Not too sure because of the way you wrote the question but this is the interpretation i gave it.
Answer:
I think 64%
Step-by-step explanation:
6+9+10 = 25
25x4 = 100
6x4 = 24
10x4 = 40
24+40 = 64
64/100 = 64%
Sry if this is wrong but I think this should be correct