What does slightest idea mean?

When you subtract four from nine what do you get? How many pounds are in 7.3 kilograms? How long is the number pi? The width of a rectangle is 2 cm less than 7 times the lenght the perimeter is 60 cm find the width and length? What is another term for a 3 dimensional shape? What decimal number does the binary number 1000 represent? Round 3 to the nearest ten? How many sheets of plywood would you need for a 13 by 13 foot room? How do you write 57.9 million in standard form? What is the area of a circle that's diameter is 15? What is the Course description of algebra 1? Why scientific notation useful to scientists? How many hours from 6pm Wednesday to 11am monday? What is a ratio that compares the amount of change in a dependent variable to the amount of change in an independent variable called? What are the set relationship? What does 56mm mean? How do you prove one plus one is one? Is 40 divisible by 9? 1.5 times 10times 10 times 10 times 10 times 10? If A plus B equals 0 what can you say about the components of the two vectors?