Determine whether the situation calls for a survey, an observational study, or an experiment.
1 answer:
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Answer:
C. 4.2a + 0.8
Step-by-step explanation:
Given:
The two binomials given for addition are:
and
Now, adding both the binomials, we get:
Distributing the positive sign inside the second binomial, we get:
Now, combining like terms using the commutative property of addition, we get:
Simplifying the above expression, we get:
Therefore, the resulting addition of the given binomials is
Hence, option C is the correct answer.
Divide both sides by 7.
n must be less than or equal to 3. n can be 3 or any number under 3.
For example, n can be 1, 2, 3.