So basically this is a test with 15 question ( putting 5 rn will add the rest in the next question) I appreciate any answers even if you don't answer all of them <3 (this is pt 2) for question 9 it cut off so the rest said " What is the area of the top surface of the desk in square feet?"

Find the cosine function that is represented in the graph.

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

The length of the line segment joining the midpoints of sides ab and bc of the parallelogram abcd is 10. find the length of diagnol ac