Jessica has a set of 12 good friends. When planning her wedding, she must choose 3 bridesmaids of her 12 friends. How many subsets of size 3 are there?
a.36
b.1320
c.1728
d.220

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal

The poll report includes a table titled, “americans using cash now versus five years ago, by age.” the age intervals are not equal. why do you think the gallup organization chose the age intervals of 23–34, 35–54, and 55+ to display these results?