Someone please help me I really forgot how to do this!

y = mx + b

m = slope or rate of change

b = y-intercept

x = input

y = output

x= input

y= output

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⭐

the correct answer is 5 6 and 7