Answer:

Step-by-step explanation:
Given
See attachment for her sketch
Required
Which equation do not represent the perimeter
From the attached sketch:
--- Length
--- Width
Perimeter (P) is calculated as:

This gives:
---- This represents (A)
Open bracket
---- This represents (B)
In algebra:
means 
So, the expression becomes
--- This represents (D)
<em>This implies that (C) does not represent the perimeter</em>
Answer:
1) 12 2) 1/8
Step-by-step explanation:
1) 3 times 4 = 12
2) 1/2 times 1/4 = 1/8
Answer:
Probability
Step-by-step explanation:
Probability of an event is how likely that event is to happen. And it is denoted by letter P and calculated by the formula below:
P(E) = number of possible outcome/number of the total event sample
P(E) = n(E) / n(S)
The distance of BF is 7.07
If the question is how many students are girls, than it's ten(10).