Plz can you answer the 3 questions in the picture I need help plz

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

Yesterday, george drank 1 small bottle and 2 large bottles, for a total of 1,372 grams. the day before , he drank 1 small bottle and 1 large bottle, for the total of 858 grams. how many grams does each bottle hold?