OpenStudy (anonymous):

One down three more to go help if you can please! :)

6 years ago
OpenStudy (anonymous):

6 years ago
OpenStudy (anonymous):

brb have to go eat lunch

6 years ago
OpenStudy (anonymous):

I think the answer is C btw

6 years ago
OpenStudy (turingtest):

I think you are right :)

6 years ago
OpenStudy (anonymous):

can you maybe explain why you think im right please(You dont have to) xD

6 years ago
OpenStudy (turingtest):

oh sorry well in general the fact that a+x=a+y leads to x=y by subtracting a from both sides is the subtraction property of equality (Rule: You can always subtract the same thing from the left and right) let $$a=(AG)^2,x=(GK)^2,y=(FI)^2$$and you can see we are applying this rule

6 years ago
OpenStudy (anonymous):

Thank you very much!

6 years ago