What is the fact family of 8 5 40?

Well, darling, the fact family of 8, 5, and 40 consists of the numbers 8, 5, and their products and division results. So, in this case, the fact family would be 8 x 5 = 40, 5 x 8 = 40, 40 ÷ 8 = 5, and 40 ÷ 5 = 8. It's as simple as that, sugar.