A rectangular classroom is 9 feet wide. It is five times as long as it is wide. What is the perimeter of the classroom?

Billie holiday sells children's clothing for sara vaughn's toddler shop. baby blankets sell for $29.99 after a markup rate based on cost of 109%. find the cost and the markup.

What are the solutions of the equation x4 + 6x2 + 5 = 0? use u substitution to solve.

Item 1 use the polygon tool to draw a rectangle with a length of 4 units and a height of 2 units. one of the sides of the rectangle falls on line ef , and the rectangle has a vertex of e. each segment on the grid represents 1 unit.