The set A consists of the points whose coordinates (x, y) are given by = {(, ): = 2 + 1}, the set in point B are given by = {(0, 0), (0, 1), (1, 2), (2, 5), (3, 6)}. Find: (i) n(B) (ii) A ∩ B

Of four points are collinear, they are also coplanar

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

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined