Sorry but I can't understand your language
To find the are of a square, we simply square the value of a side
so..

Area = 25 square units
ABCD is a square and a quadrilateral
6x-2y+5. Here you just do addition/subtraction with the coefficients on the variables.
Answer:
23
Step-by-step explanation:
Remember PEMDAS/order of operations (Parentheses, exponent, multiplication, division, addition, subtraction)
10*1/2+(-6)(-3)
10*1/2+18
5+18
23