Three friends ran a mile. Marco ran the mile in 9 minutes, Sarah in 10
and 12 minutes, and Maria in 16 12
minutes. What is the ratio of Marcos
time to the total of Sarah and Maria's
time?

Show me how you find the value of each variable and determine what the value of each variable is you i appreciate it : )

How many square feet of out door carpet will we need for this hole? 8ft 3ft 12ft 4ft

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