What is Ca 245?

What is the area of 25 x pi? What is the square footage 20 X 37? Why 10000 is the smallest 5 digit number? When you round a number which digit in the number helps you decide to round up or to round down? How many sq mi is 1000000 sq km? Is 151 prime or compiset? What are the numbers that have nine as a factor? What is an antonym for suppose? If Tom works 14 hours a week for 10 weeks and earns a total of 1351.00. How much money does he make per hour? What is the average of 100 90 110? How do you find the measure of each exterior angle of a regular 20-gon? Why is the product of two perfect squares always a perfect square? What determines the total number of drive capacity? 4 x (-5 1/2)? What does a 'd' in-front of a measure mean for example httpsuploadwikimediaorgmath0fa0fab5c84ea29509e9ce6883a7f3d0151png the 'd' in front of t and mv? 12 meters is how many feet? What do different degrees of burns look like? A parallelogram with all 4 sides of equal length? What kinds of distributions are there? How many normal forms are there?