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Sever21 [200]
3 years ago
11

Help please I don’t know what to do

Mathematics
2 answers:
Zepler [3.9K]3 years ago
6 0

Answer:

B

Step-by-step explanation:

Combine Like terms

sammy [17]3 years ago
5 0

Answer:

The answer is letter B

Step-by-step explanation

Simply combine like terms in which

-2x^2 + 7x^2 = 5x^2

8x + 4x = 12x

-9 + 2 = 7

So we come up with the answer of the option letter B

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Step-by-step explanation:

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As per given , the company randomly selects 50 customers directly from the database without applying any further steps and asks them about their level of satisfaction with the company.

Thus , the sampling technique used here is simple random sampling.

3 0
3 years ago
uhm pueden contestarme esto xfa- es para una amiga y tenemos que tener diferente respuestas si pueden claro :))
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Answer:

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Step-by-step explanation:

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3 0
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ycow [4]

Answer: 24.2

Step-by-step explanation:

8 0
3 years ago
A) -3 · x = -21<br><br> b) -7x + 16 = 2x - 20
scoundrel [369]

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Step-by-step explanation:

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7 0
3 years ago
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