3 years ago

Can anyone help me pls???

Mathematics

2 answers:

Rus_ich [418]3 years ago

6 0

Answer:

It's

Step-by-step explanation:

9a-3b

because 3×3a is 9a and 3×-b is -3b hope this helps

iogann1982 [59]3 years ago

6 0

Answer:

8) A 9) B

Step-by-step explanation:

For question 8 just combine like terms, combine the numbers that have the same variables. Number 9, distribute the 3 to the rest of the equation.

Hope this helped :)

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Suppose that the perimeter a rectangle is 54 feet, and the length is 13 feet more than the width. Find the width ractangle, in f

Vesnalui [34]

Answer:7feet

Step-by-step explanation:

perimeter(p)=54ft

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P=2xL+2xw

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54=2(w+13)+2w

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Collect like terms

54-26=2w+2w

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4 years ago

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Answer:

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Step-by-step explanation:

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4 0

3 years ago

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lawyer [7]

.....................

5 0

3 years ago

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anygoal [31]

Answer:

Mean: 41.8

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Step-by-step explanation:

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3 years ago

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liq [111]

Answer:

C) $400\pi$

Step-by-step explanation:

The formula for area is

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