Jack's plumbing charges customers $100 per hour for repair jobs. A-1 Plumbing chargers according to the equation y= 75x + 50, where x = time in hours and y = cost in dollars . Explain why A-1 plumbing charges less than jacks plumbing for a 4-hour repair job . Does A-1 plumbing charge less than jacks plumbing for all repairs jobs ?

Which composition of similarity transformations maps polygon abcd to polygon a'b'c'd'? a dilation with a scale factor less than 1 and then a reflection a dilation with a scale factor less than 1 and then a translation a dilation with a scale factor greater than 1 and then a reflection a dilation with a scale factor greater than 1 and then a translation

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane