What is the answer to math pizzazz book d-64?

What is the origin and meaning for the idiom in black and white? How do you solve compound inequalities in word problems? When starting a new unit teacher announces that each day after first the class must do twice the total number of problems that been assigned on all previous days. The class work for 6 days and the 7th? Is a circle concave? What is three multiplied by negative 1? What is the value 7 in this number 74689? What does the highlighted digit? What is a rectangle with a perimeter of 30? How do you write 2.60 as a fraction in simplest form? What is nickel worth today? What is 67 times 36? What does 0.15 equal to? How many times is the word hell mention in the Bible? Why is the number zero so important in place value? How tall is 114cm in feet and inches? How do you set a cardinal stop watch? How do you write 444444 in words? What is the reason to keep the braces without wire for more than 9 years My friend wearing it for about 9 years and since three years ago she doesn't have the wire but only brakets and her teeth are turning. I am worried for she. please answer me.? Can you draw lines that are parallel but not intersecting? What is 0.48 divide by 16.8?