Which expression would you use to determine the UNIT RATE of 15 miles/gallon? (5 points) Group of answer choices

four gallons over sixty miles

sixty miles over four gallons

three gallons over thirty miles

thirty miles over three gallons

60 Miles over 4 Gallons

Step-by-step explanation:

I had this answer on my test as well, and got the answer correct!

< 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⭐