Acompany has determined that the demand function for a certain couch is given by p=4000 -0.25x.
where p is the price per couch and x is the number of couches sold. the fixed costs associated with
producing a line of couches is $500.000, and each couch costs $280 to make.
find a function to represent the revenue

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.

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2