Question

http://prntscr.com/adzv9f

Answer 1

just replace the x ' s by 9 in the expression and work it out

Answer 2

i got this answer

Answer 3

3 + sqrt (9+7) - sqrt (27)

Answer 4

oh i thought it was the same question as the last one sorry

Answer 5

that is incorrect
= 3 + 4 - sqrt27

Answer 6

the answer is 7-3sqrt 3 @welshfella

Answer 7

yea thats correct

Answer 8

is the answer 4? @welshfella

Answer 9

1.80

Answer 10

oh ok, thanks for your help

Answer 11

- choice 4 yes

Answer 12

yw