PLEASE HELP 1-)a circle with center ( -1,-4) that passes through (1,-1)

2-)a circle that is tangent to the x-axis, with the center located at (2,4)

There are three grizzly bears in the city zoo. yogi weighs 400.5 pounds, winnie weighs 560.35 pounds, and nyla weighs 628.29 pounds. what is the average weight of the three bears? (hint: what do they weigh all together? ) a. 502.97 pounds c. 604.38 pounds b. 529.71 pounds d. 794.57 pounds