Bryce has 135 feet of rope. he wants to cut it into pieces that are each 9 feet long. how many pieces of rope will bryce have?

The variable z is directly proportional to x, and inversely proportional to y. when x is 4 and y is 13, z has the value 1.2307692307692. what is the value of z when x= 9, and y= 20

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.