3 years ago

Which of the following is equal to 49x2−81?

1 answer:

Tema [17]3 years ago

8 0

Answer:

Step-by-step explanation:

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Sunny_sXe [5.5K]

Answer:

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Step-by-step explanation:

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3 years ago

Marta_Voda [28]

CD=8

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3 years ago

IrinaK [193]

Answer: 9: c , 10: a ,11 :d 12: a

Step-by-step explanation:

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3 years ago

Drupady [299]

Mr. Toshio had 32 rulers. 32-11 = 21 rulers. 21+4 = 25 rulers. and 25-7 = 18 rulers

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4 years ago

viva [34]

Step-by-step explanation:

$y = 3x + 5 \\ 2x + 4y = 6 \\ subsitution \\ 2x + 4(3x + 5) = 6 \\ 2x + 12x + 20 = 6 \\ 14x = - 14 \\ x = - 1 \\ y = 3x + 5 \\ y = - 3 + 5 \\ y = 2$

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3 years ago