Question

Is my answer to C correct?

http://prntscr.com/9sxodk

Answer 1

it looks like it is

Answer 2

you sure?

Answer 3

yeah let me go ask my sister shes good at this

Answer 4

alright

Answer 5

she said most likely it is correct and i got to go to a class connect by

Answer 6

Yes your answer is correct!

Answer 7

@hartnn

Answer 8

\(4(3^2) - 6(3)(5) + 9(5)^2 = 144-90+90\)

^^ that part is incorrect.

\(4(3^2) - 6(3)(5) + 9(5)^2 = 4\times 9 - 18\times 5 + 9\times 25 = 36-90+225 = 171\)

and then,
\(21\times 171 = 3591cm^2 \)

Answer 9

ok ty so much