Berdine's chicken factory has several stores in the hilton head, south carolina, area. when interviewing applicants for server positions, the owner would like to include information on the amount of tip a server can expect to earn per check (or bill). a study of 500 recent checks indicated the server earned the following amounts in tips per 8-hour shift.

25.2

step-by-step explanation:

2+4x6-8/10= 25.2

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step-by-step explanation:

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answer:

(7 x + 6 y) (49 x^2 - 42 x y + 36 y^2)

discussion:

the trick is to recognize that 343 = 7^3 and 216 = 6^3 and, in general,

a^3 + b^3 =   (a + b) (a^2 - a b + b^2).

in our case

343x^3+216y^3   =   (7x)^3 + (6y)^3

so take a = 7x and b = 6y in the above equation to get the answer.

you,

mrb