Answer:
I think it's 5
Step-by-step explanation:
im not sure
but correct me if I'm wrong
Answer:
50 is the best choice
Step-by-step explanation:
it is better if its an even number and higher
It's a isosceles right angled triangle




Hence the correct answer is C) -23
Further explanation:
We have to put the values of m and n into both expression first separately and then multiply the answers.
Given expressions are:

The values are:

Putting the values in expression 1:

Putting the values of m and n in second expression

Multiplying both expressions:

Hence the correct answer is C) -23
Keywords: Polynomials, Putting values in expressions
Learn more about polynomials at:
#LearnwithBrainly
Answer:
638
Step-by-step explanation:
its 638, not 639 because its above 638.5