Aparty rental company has chairs and tables for rent. the total cost to rent 3 chairs and 8 tables is 71. the total cost to rent 5 chairs and 2 tables is 22. what is the cost to rent each chair and each table?

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

What is sin 7x/4 ? i need on this urgent trig

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