Jessica plans to join a dvd club and is trying to decide between two different offers. dvd superstore charges no membership fee and sells dvds for $15 each. movie world has a $30 club card that allows members to buy dvds for $8 each. which system of linear equations represents the two offers?

entering that problem on the tube might get you an answer

2x^2+5x+17

your welcome. : )

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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 -