The mean:
111+132+186
429/3=143
Subtract mean:
111-143= -32²= 1,024
132-143=-11²= 121
186-143= 43²= 1,849
Now find the mean again:
1,024+121+1,849
2,994/3= 998
Now square root:
√998≈31.591138
Answer:
<h2>

</h2>
Step-by-step explanation:
Steps:

Subtract 4 from both sides:

Simplify:

Divide both sides by 12:

Simplify:

Uhh this isn't very clear but I think the answer would be measurement or something along those lines
5.5 × 1.75 = 9.625
price 9.63
79/100 is the simplest form