Answer:

Step-by-step explanation:
Collect like terms and calculate the sum
It appears as if 12cm is half the length of the side so we can assume that the total length of one side is 24cm.
The area of a square is given by the equation
where s is the length of the side.

A=576
The area of this square is 576cm2.
Hope this helps!
Answer:
Positive
Step-by-step explanation:
As height is increasing, shoe size is also increasing (positive slope)
Negative correlation is when one variable increases and the other decreases (negative slope)
Answer:
x= 3 over 10 =0.300
Step-by-step explanation:
Hope this helps!
The answer to your question is 7a.