Jada explains how she finds 15⋅23: “I know that ten 23's is 230, so five 23's will be half of 230, which is 115. 15 is 10 plus 5, so 15⋅23 is 230 plus 115, which is 345.” Do you agree with Jada? Explain.

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