Which is an example of a variable amount?

question 1 options:

$5 per hour

$50 one time bonus

$100 deposit on an apartment

$25 refund

How do i do this activity, is appreciated

The square root of 9x plus 7 plus the square rot of 2x equall to 7

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?