2x+7 = 5 compare with
ax + by + c = 0

Given equation:

x−y/5−10=0

Rearranging the equation

1x + (-1/5)y + (-10) = 0

If we compare the equation with ax+by+c=0

Then will get

⇒a=1,b=−1/5,c=−10

< 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 number of the people going.

step-by-step explanation:

the cost to buy one movie ticket is $7. if the total cost for the movie is a function of how many people go, then the input is : the number of the people going.