Mark is painting the ceiling of a square room. If the area he paints is 400 sq feet, what are the dimensions of the room?

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

Adesigner charges a one time fee of $200 plus $40 an hour for each project. write an expression to represent how much money the designer will make for a project

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?