2. a package of paper towels contains 3 rolls. each package of paper towels costs $2.79. a function, f(x), is written to represent the cost of purchasing x packages of paper towels. what is the practical domain for the function f(x)?

a. all real numbers
b. all whole numbers
c. all positive numbers
d. all whole numbers that are multiples of 3

This is about circle theorems. someone asap : (

9.4.34  question   to estimate the height of a stone  figure, an observer holds a small square up to her eyes and walks backward from the figure. she stops when the bottom of the figure aligns with the bottom edge of the  square, and when the top of the figure aligns with the top edge of the square. her eye level is 1.811.81 m from the ground. she is 3.703.70 m from the figure. what is the height of the figure to the nearest hundredth of a  meter?

The legs of a right triangle measure 6 meters and 8 meters. what is the length of the hypotonuse.