believe it or not anna is correct good job anna give me a fist bump there u go gal

hello from mrbilldoesmath!

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

4 candies

step-by-step explanation:

7 x 28 = 196

200 - 196 = 4 candies remaining.

A) for the n row: 22+(n-1)×6therefore,b) 100-22=78that means (n-1)×6=7878÷6=1313+1=1414th row has 100 seats

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