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Kisachek [45]
3 years ago
12

Which expression is equivalent to -30 - 8x + 50 - 2x?

Mathematics
2 answers:
Makovka662 [10]3 years ago
6 0

-10x + 20 should be the right answer.

katen-ka-za [31]3 years ago
3 0

Answer:

20-10x

Step-by-step explanation:

-30+50=20

-8+ (-2x)= -10x

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Which of the following is not a polynomial?
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Answer:

A

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A is not a polynomial as the power of x is less than one

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Step-by-step explanation:

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6 0
3 years ago
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Expand and simplify
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6 0
3 years ago
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Solve for z:<br> −0.25z=−1.25<br><br> z=?
lakkis [162]

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7 0
3 years ago
Find the standard deviation of the data, 12, 19, 9.
jek_recluse [69]

Answer:

4.19

Step-by-step explanation:

Find the mean:

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4 0
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