Sand lime and cement at 6:2:1 ratio, and i have 6 buckets of lime ,how much sand do i need

Astudent simplified a rational expression as shown.

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

What is the solution to the equation e3x=12? round your answer to the nearest hundredth