PLEASE HELP ASAP IM IN THE MIDDLE OF A QUIZ!

. Question 10 Find the centroid of the region bounded by the graphs of the functions y = 5 sin(@), y = -x, and * = The centroid is at (@, y) where D = y =. Question 11 A circular tank that has a diameter of 16 m and sides that are 9 m high contains water with a depth of 3 m. How much work {in Joules} is required to pump all of the water to a point that is 6 meters above the top of the tank? (T he m k acceleration due to gravity is 9.8 2 and the density of water is 1000 _g3 .) s In Round your answer to the nearest whole number. [# .Question 13 v A rectangular dam is 500 feet wide and 100 feet deep. The water level is 13 feet below the top of the darn. Find the total force {in pounds} exerted on the dam by 1lirater pressure. (Water has a density:r of 62.43) ft