Suppose there are 100 strings, each of the string, of course, has 2 ends. then you randomly choose 2 of the ends and tie them together. each end will be tied only once and the process repeats until there are no free ends left. (i. e. it will lead to 100 randomly chosen pairs of tied ends.) let l be the number of resulting loops. what is e(l)?

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2