What is the answer to pizzazz pg 23?

How do you estimate percents? Which statement is used to execute some code only if a specified condition is true? What is the greatest common factor of 21 and 55? Can you round 87 the the nearest tenth? How can you find the opposite of a percent of a whole? Is 0.045 bigger than 0.45? How many factors does 17 have? Why when multiplying two decimal numbers together you get a smaller number you multiplied? How many cups of water equals 2 gallons? What is short-term liquidity ratios? What four consecutive prime numbers add up to 220? What numbers go into 180 evenly? What is the least common multiple of 240 360 and 540? How many days are in 432 hours? What is the difference between knowing and understanding? What is 4 plus 7 times a number is 9 times a number? What is 11.002 as a fraction in its lowest term? What is 37.40 rounded to the nearest tenth? What is the equivalent of british 14year old in american size? What numbers is a composite 3 or 5 or 7 or 9 or 11 or 13 or 15?