Which of the following statements is not true? every real number is either rational or irrational. every whole number is a natural number. every integer is a rational number. some rational numbers are whole numbers.

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

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.