What are compsite numbers?

X squared plus nine x plus 20 equals 0? Traveling 60 mph how long will it take you to go 96 miles? What does 45 times 4 equal? How many sig figs does 140 have? What are the importance of statistics? How many m2 is 6 acres? Is 40 mm greater than 40 meters? How do you divide to find an equivalent fraction? What mineral has crystals shaped like a rhombus? How do you find the area of a regular polygon without using the apothem? What is equal to 18 billion? What is average time to swim 400 meters? A line has x-intercept 5 comma 0 and is perpendicular to the line 2x plus 8y equals 10 Find the y-intercept of the line? Is the sentence the lead ball has a measured mass of 113 grams an inference? How many cups are in 4 and 1 half quarts? What are the properties of different types of quadrilaterals? Describe the structure of the water molecule and indicate how this structure is responsible for many of the unique properties of this vital compound? 50 tens less than 8000 is? What is the figure that is formed when two rays share a common endpoint? What is XXXXIX in roman numerals?