I the answer To You Problem Is C
Just choose x = 0,1,2,3 and find y for each x, for each of the tables.
Take out common factor, 3 :
3x - 3 = 3(x - 1)
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Answer: 3(x - 1)
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X^2-14x+49=0
Factor
(x-7)(x-7)
Check
-7-7=-14
-7*-7=49
Use ZPP
x-7=0
x=7
Final answer: x=7
53.70 - 9.60 = 44.10. 44.10 / 2 = 22.05. Each friend paid (not including the tip) $22.05.
