2. determine whether or not each of the following sets of numbers is a ring under ordinary addition and multiplication. a) r- the set of positive integers and zero b) r knln e z, k a fixed positive integer)

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?

8.74 rounded to the nearest whole number

Which number is located at point a on the number line? a number line is shown from negative 10 to 10 with each interval mark on the number line representing one unit. point a is labeled one interval mark to the right of negative 5.