Company a has 400 employees and company b has 500 employees. among these employees, there are 50 married couples, each consisting of an employee from a and an employee from b. if 1 employee is to be selected at random from each company, what is the probability that the 2 employees selected will be a married couple?

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.

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

What is the lcm of 16 and 40 ? 24 and 40 ?