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
Yes, is subtraction, to get their "difference".
first off, let's convert the mixed fractions, to "improper", and then subtract.

1. Y=4
2. Y=2
3. Y=X
4. Y=2
(X,Y)
i hope this helps
Step-by-step explanation:
Answer:
36 minutes
Step-by-step explanation:
10blocks in 6mins
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40blocks in 24mins
50blocks in 30mins
60blocks in 36mins
N/10 = 32,7
N = 32,7*10
N = 327