Question

Please help! i’m confused

Answer 1

Option be should be correct- hope this helps. I’m not a 100% sure but I believe this should be the answer

Answer 2

Applying the theorem of intersected chords inside a circle:

AR x RB = DR x RC

=> RB = DR x RC/AR = 3 x 5/2 = 7.5

=> Option B is correct

Hope this helps!

:)