micah runs a lemonade stand. he sells large cups of lemonade of lemonade for $0.50 and small cups of lemonade for $0.35 create an expression represents how much money he could earn​

< 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⭐

step-by-step explanation:

the answer is 128

it should be described as a proper fraction.