Answer:
16 robots make noise
Step-by-step explanation:
12:3
D
The larger the number the warmer it is
d≈7.07
Using the formulas
P=4a
d= \sqrt{2} a
Solving ford
d= \sqrt{2} P/4=2·20 /4≈7.07107
The answer would be A. $16.6 per linear foot