Which term best describes ∠11 and ∠13

Acampus club held a bake sale as a fund raiser, selling coffee, muffins, and bacon and eggs sandwiches. the club members charged $1 for a cup of coffee, 3$ for a muffin , and $4 for a back. and egg sandwich. they sold a total of 55 items , easing $119. of the club members sold 5 more muffins than cups of coffee, how many bacon and egg sandwiches he’s did they sell

If the probability of an event happening is 65% then the probability this event does not occur?

What is the distance between (3,k+1) and (2k,k-1)