How can I get started looking for the characteristics of this graph? The parent function is cosine. I think it is a reflection, but I don't know where to go from there.

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

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

15 there is a line that includes the point 0,10 and has a slope of 7/4. what is it’s equation in slope intercept form