Answer:
Yes you are right on both.
Step-by-step explanation:
Plz make brainliest
The mean is all of them added together divided by the number, so multiple the mean by the number of sides, 3, and that's the perimeter. 18 x 3 = 54
Answer: 
<u>Step-by-step explanation:</u>

Answer:
Step-by-step explanation:
prob(grow) = .65
prob(not grow) = .35
prob(1 of 11 will not grow)
= C(11,1)(.35)(.65)^10
= .05183
Answer:a
Step-by-step explanation: