Answer:
The correct answer is H
Step-by-step explanation:
1/4 of a wall in 2/3 of an hour is 40 min
so a wall takes 160 min which is 2 hours and 40 min
so 3 walls takes 8 hours
The answer for this would be 0.167
Equation a^2 + b^2 = c^2
c = longest side, unknown
The answer is D.
12^2 + 10^2 = c^2