Planimetry exercise, premise is simple but i can't seem to start myself on it.
you need to find the angle named alpha.
angle a = 35°
angle b = 25°

Determine the volume of a cylinder bucket if the diameter is 8.5 in. and the height is 11.5 in.

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

The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'