Answer:
4
Step-by-step explanation:
2-(-2)=2+2=4
A quadratic because of the -

.
As no diagrams attached provided the formulas which can helps you to solve by yourself
- Square--4(side)
- Rectangle--2(Length+Breadth)
- Triangle--(Sum of 3 sides)
- Any quadrilateral--(sum of 4 sides)
Answer:
3) 5 centimeters
Step-by-step explanation:
Plug 3 and 4 into the formula for the Pythagorean Theorem. You get 5.
Answer:
We have 
Step-by-step explanation:
We want to factor the expression
in the form of (U+V)(U-V)
We need to find U and V
We can use formula : 
We can write
as 
Now we have the expression:

Applying formula: 

So, we have 