Answer:i think there was a pic to go with this to
B(answer)
1/2 is the largest fraction out of all of them
18. S=r^2-t^2
S+t^2=r^2
r=sqrt(S+t^2)
20. Tan 18=x/12
x=12×Tan 18
x=3.899036355
x=3.90
I hope this helps.
False because -21/-7=w is 3 and 3/-7 cannot be -21
It’s B or D , im not that good but I don’t know , so try your best or take educated guess ( or ask a parent )
