Who invented heptagon?

What is the abbreviation for the future years? What two legacy problems did René Descartes leave? When average velocity is equal to its instantaneous velocity acceleration? Is 150 a natural number? How do you write 12.6 using words? How many pennies to egual a pound? What is the distance between -3 and 6? When drawing a scatter diagram along which axis is the explanatory variable placed Along which axis is the response variable placed? How many minutes does it take to travel 90 miles going at a speed of 120 mph? Is 325 divisible by 2 3 or 5? What is 0.00185528757 as a fraction? What is finding a fraction of a quantity? What is 78 times 71? How do you change 43 percent of 100 into a Fraction? How do you write out 9 million? The square of a number is the second power of the number the cube of a number is the third power of the number explain why those names are reasonable? How many miles is 3.81 kilometers? How do you find factor strings using prime factorization? How many tens are equal to 4260? Would 175 round to 170 or 180?