Find the length of one side of a square inscribed in a circle that has a radius of 4cm

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

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

Select the two pairs of figures that are similar.