Guide A chemist mixes Chemical A and Chemical B to make a solution. She uses the same ratio of chemicals for each batch she
makes.
Drag numbers to complete the table.
?
4
6
12
Chemical A (ML) Chemical B (mL)
3
36
48
84
36
96
108
132
168
7
9

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