Choose the item that does NOT have a measurable volume. Air, a water bottle, a box of crackers, a dollar bill

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?

The functions f(x) and g(x) are shown in the graph f(x)=x^2 what is g(x) ?