Did Rene descartes invented the cartisian coordinator?

What is 40 percent of 260? What is the formula ..or how do i convert 37.50cwt to cft? How do find the legs of an isosceles triangle if the area is given? How are the laws of rational exponents similar to laws of integer exponents? what is the quotient system in case of triple tie ranking and one team played in third set? What does the name neal mean? Why do astronauts take measurement in centimeters instead of inches? What is 63 shared between 7? Why diamond king in playing cards has one eye? What is the Definition of vertex of a parabola? Is a 47 degree angle acute right or obtuse? What two factors are plotted on the hr diagram? Are there any even even prime numbers? What are imaginary numbe? What is 47 over 1000 reduced to? Does a kite have 2 lines of symmetry or 3 lines? What are the proper subsets of 36912 in matrix form? When you can use A line graph? How many syllables are in quirky? If a particular right square based pyramid has a volume of 63690 cubic meters and a height of thirty meters What is the number of meters in the length of the lateral height segment AB of a pyramid?