Can you help me with these to guy? If possible also the working out

Q5) 6.5833 (rounded to nearest 4 d.p.)

Q6)

Step-by-step explanation:

Q5) =

                           =

                           ≈ 6.5833 (rounded to nearest 4 d.p.)

Q6) When working with mixed numbers, I would change them to improper fractions first for easier calculations.

1 × = ×

          = (Simplify by dividing by 2)

          = (Simplify by dividing by 7)

          =

which of the following can speed up the rate at which the liver breaks  

down alcohol?

question 1 options:

carbohydrates  

coffee  

nothing  

high-protein meals  

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⭐