What does the title of The Devil's Arithmetic mean?

Draw a shape that has a perimeter of 12 and an area of 6 sq cm? What is the coefficient of the variable in the expression 18k? What is the total amount that First Consumer Bank will receive after lending Jane 7000 for three years at an interest rate of 5 percent compounded annually? 240 minutes is how many hours? How to Measuring concrete slabs? What were Roman pillars made out of? Where is one-eighth on the number line? What is the equation for n equal to 9? 55 inches equals how many cm? Justin gave the clerk 20 to pay a bill of 6.57 how much change should Justin get? How long is 438 days? How much does one cubic yard of stone dust weigh? What is the percent of 11 tenths? What is the LCM of 15 35 and 60? How do you take a fake toenail off? What is 3 miles divided by 4 miles 1 inch? What is negative five fourths minus one third? What is 1347 spit in 3 parts? How do you write 17 in roman numerals? How many rational numbers are between a and b?