What is the answer to 18.2 Punchline Algebra bookb?

What is a fraction that tells you the likelihood of an event? What does the circle inside another circle mean in scientific terms? If I was 30 during World War 2 how old would I be now? How will you use cartesian plane in your daily life? What is a verb for false? How many faces in octahedral? Does a horizontal life go up and down or side to side? What 2-D shapes has 3 vertices? What is different about 078 mobile numbers? What is 408 x 23? What does this xxxix mean? What is a set of assumptions accepted as true? How many whole numbers are there between alakh and a million? How do you make six squares with 12 toothpicks? Why doescaterpiller live under the log? What is 19 times 7 equals? If a plane flies at a constant speed of 1000 KM per hour from point A on the equator eastbound how much time will it take to reach point A? What is x plus 98? What the dimensions of a boot box? What is an armchair error?