What are the steps towards finding the answer to

1 - 9n = - 80

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Cy has 42 baseball cards and 70 football cards that he wants to group into packages. Each package will have the same number of cards, and each package will have the same number of baseball cards as football cards.

The measure of arc ab is 134 what is the measure of angle abc, the tangent-chord angle

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Manuela solved the equation below 2 (x+2) = x-4

C=-3. a=2 b=4 (2) 2 (3c+7)

1) x+3 - 5x + 7 + 4y

Amanda's computer weighs 56 ounces. how many pounds does it weigh?