Can someone please help me with both I will mark u brilliant

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

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

Which of the following is the shape of a cross section of the figure shown below