Eleanor and Max used two rectangular pieces of plywood, placed end-to-end, to make a long rectangular stage for the school play. One board was 5 feet long, and the other was 4 1/2 feet long. The pieces of plywood had equal widths. The total area of the stage was 40 3/8 square feet. What was the width of the plywood?

The difference of 2 numbers is 21 and the quotient of the equation is 4 then what are the two numbers?

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin

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