In a survey 250 shoppers were asked whether they have access to a computer at home and if they have a personal email account. Their responses are summarized in the following table. E-Mail account No e-mail account Computer access at home 73 22 No computer access at home 17 148 (a) What percentage of the shoppers have an e-mail account? (b) What percentage of the shoppers do not have computer access at home?

a

step-by-step explanation:

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

step-by-step explanation:

what does 'mandy have ben 780 bottle caps. ' mean?