To which subset of real numbers does the number 1/4 belong?
a. rational numbers
b. irrational numbers
c. whole numbers, integers, rational numbers
d. whole numbers, natural numbers, integers

1. writing an equation for an exponential function by 2. a piece of paper that is 0.6 millimeter thick is folded. write an equation for the thickness t of the paper in millimeters as a function of the number n of folds. the equation is t(n)= 3. enter an equation for the function that includes the points. (-2, 2/5) and (-1,2)

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?