Acustomer pays $18 for a dvd that originally cost $20. what is the percent decrease in the cost of the dvd? show work!
(a) 2%
(b) 10%
(c) 11%
(d) 18%

1. preform the indicated operation. then estimate to see whether the proposed result is reasonable. 811.1 - 8.039 803.071 803.061 803.161 831.061 2. the ordered pair (1, 2) lies in which quadrant? quadrant ii quadrant iv quadrant iii quadrant i 3. sean tries to drink 3 liters of water every day how my millimeters of water does he drink in a day? 0.3 ml 0.003 ml 3,000 ml 30 ml 4. find the least common multiple. (lcm). 10, 36 5 180 20 360

Which math sentence can be used to determine if the triangle is a right triangle?

What is a graph with a never ending line called?