What is the NS-SEC?

How many dollars are in a decidollar? What is 16 over 32 in simplest form? How do you find the ratio for the sequence 648 108 18 3? Round the number 0.07537 to three significant figures? What is the difference between a static shape and a dynamic shapes? Does an isosceles have 3 acute angles? what is the average of 12,15 and 18? What is the circumference of five? What is eight and one eighth as an improper fraction? Which geometric figure is drawn using only a compass? What is 4ft in centimetres? What is 0.1 of 400? Can there be a finite number of chords that can be created in a circle? What is the fraction form of 8? What is 18 over 3 8ths written as a decimal? I want to learn how to do a backbend at home can someone tell me step by step instructions to learning one please? How many grams in a quarter brick? What numbers is composite? What consecutive numbers make 16? How much is a fourth pound in decimal?