Find the solutions to 9x^2-54x=0

The triangles are similar. what is the value of x? show your work.

You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .