Which expression represents the polynomial −2x2−4x4+8x+x5−2x3 rewritten in descending order? a-  −2x2−4x4+8x+x5−2x3 b- −4x4−2x2+8x+x5−2x3 c- −4x4−2x3−2x2+8x+x5 d- x5−4x4−2x3−2x2+8x e- 8x+x5−2x2−2x3−4x4

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.

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers