rate of the faster train
rate of the slower train

F(x) = (x^2 + 3x − 4) and g (x) = (x+4) find f/g and state the domain.

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

Don't know how to find x given these segment lengths