20 POINTS
HELP ME PLEASE
Which expression represents the volume of the rectangular prism shown?
A) 3x^4 + 11
B) x^2 + 2x + 11
C) x^4 + 11x^3 + 24x^2
D) x^3 + 3x^2 + x + 8

Which graph represents an even function?

Find the area and perimeter of each composite figure. use 3.14 for π. round your answer to the nearest tenth. a square and a right triangle share a common side. image long description a 3-meter by 0.5-meter rectangle has triangles attached like wings to the 3-meter sides. the other two sides of both triangles measure 2.5 meters. the height of each triangle is 2 meters. a 6-inch by 4-inch rectangle has 2 half-circles attached like wings to the 6-inch sides. the radius of each half-circle is 3 inches. find the surface area and volume of each figure. use 3.14 for π. round your answer to the nearest tenth. a right circular cylinder has a base radius of 6 yards and a height of 20 yards. a rectangular prism has a base that is 9 centimeters long and 7 centimeters wide. the height is 2 centimeters. a rectangular prism has a base that measures 11 millimeters by 11 millimeters. the height is 11 millimeters.

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form