Mark and nora both work at the same pet store. the inequality y 2 2x relates x, the number of hours mark works each week,
and y, the number of hours that nora works. which ordered pair must be included in the solution set of the inequality when
interpreted in the context of the problem?
(-7, 20)
(0,0)
(8,2)
(13, -28)

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step-by-step explanation:

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answerthe vertex form

step-by-step explanation:

see explanation

step-by-step explanation:

a

(6r + 7) + (13 + 7r) ( remove brackets and collect like terms )

= 6r + 7 + 13 + 7r

= 13r + 20

b

remove brackets and collect like terms

13 - r - 1 + r

= 12 - r

c

remove brackets and collect like terms

= - 8 - r + 2r - 4

= - 12 + r

d

remove brackets and collect like terms

= 7r - - - 6r

[-   - = - - = - ]

= r -

where are the graphs?

step-by-step explanation: