Sarah bought a bike that cost $260. She had a coupon that was worth $55 off the cost of any
bike. Use the expression 260 + (-55) to find how
much Sarah paid for her bike.
PLEASE HELP ME IM DESPIRATE

x=12 units bd= 10 units

step-by-step explanation:

< coa = 150 ( given)

as ba and bc are tangents

so oc and oa is perpendicular to cb and ab respectively because in circle normal passes through centre

so in quadrilateral oabc

< coa + < oab + < ocb + < abc = 360

150 +90+90 + < abc = 360

330 + < abc = 360

< abc = 360 -330 = 30

so < abc = 30

⭐dhruv⭐