Find the measure of the indicated angle.

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

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

Describe the relationship between the angles of similar triangles and the sides of similar triangles