Semester Exam Have you completed the review activities and looked over your work from this unit? If you did, then you're ready to start the computer-scored test. Click to the next page to begin your test. Good luck! Plz help i need a good grade go onto the exam and give me answers

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

lol 2

step-by-step explanation:

15.36 per mile

but forgot to round

i am pretty sure