last year, mary opened an investment account with $7200 at the end of the year, the amount in the account had increased by 23.5%. how much is this increase in dollars? how much was in her account at the end of last year

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?

Select the correct answer from each drop-down menu. a parabola is given by the equation y = x2 − 2x − 3. the directrix of the parabola is given by the equation . the focus of the parabola is .

There are six more men than women in an aprentice class of 30. how many female apprentices are in the class?