Use PEMDAS
P Parentheses first
E Exponents (ie Powers and Square Roots, etc.)
MD Multiplication and Division (left-to-right)
AS Addition and Subtraction (left-to-right)

Answer:
I am not able to login to the account can u please type the question
Answer:

Step-by-step explanation:
You can understand the statement from many perspectives, but in terms of proposition logic it is best to understand it as "negation of a" or " b" in mathematical terms is written like this

You can show that they are logically equivalent because they have the same truth table.
Answer:
the anwer is 14-2294-dhi2
Step-by-step explanation:
Because 14 is - 4 you multiple to 5 equal= dhi2