Answer:
C, third answer
Step-by-step explanation:
m 1 = 90, m 2 = 14, m 3 = 76, C
The cube has 6 this same faces.
Therefore the surface area is equal 6 · 7cm² = 42cm²
3/5x+2/5=7
-2/5 -2/5
3/5x = 6 3/5
/3/5. /3/5
X=11
Hello!
I got (1/5,4/5)
Is that one of the answers?
Hope that helps!
