Which expression represents the area of the shaded sector

Which system of linear inequalities is represented by the graph?

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)

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