How did Rene descartes discover the coordinate plene?

How do you write 11131.00 on a check? Is 3.5oz more than or less than 3.14oz? What is the next number in this sequence 1 8 27? What is the partial quotients for problem answer for 6 divided by 495? What mixed number is not equivalent to 26 over 8? How many gallons of water does a 85 inch by 85 inch hot tub hold? What is a word opposite of schedule? What comes after hundred quintillion? How many dollars make 2600 euros? Who is shifre in the book the devil's arithmetic? What is 4n plus 9 equals -3? How many syllables are in decency? When did Friedrich Gustav Carl Emil Erlenmeyer die? Where did the expression top of the line come from? What is one tenth plus five sixth? Is 0.17 bigger than 0.165? How would i setup this problem 25kg wagon is sitting on top of a 10m high frictionless ramp. If the wagon rolls down the ramp what will its speed be at the bottom. I got the answer 125? Why is the darlington raceway shaped like an egg? What does error bound mean? How do you solve y equals 4-3x?