Find the value of 2x + y when x=4 and y=3

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

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?