Area of square = 
where, 
is the side length of the square.
s must be positive since it is a side length, so the negative root of 81 is rejected.
Perimeter= 
Perimeter= 
(x+3)(x+4)
x^2+4x+3x+12
x^2+7x+12
Answer:
1
Step-by-step explanation:
Substitute the value of the variable into the expression and simplify.
4-2-1=1
I’m not that smart i just get answers off the internet
Answer:
35% or 0.35
Step-by-step explanation
If 20 grams is 100%, that means each gram is 5% of the whole. So 7 time 5 is 35.
