Two arcs are congruent if they have the same measure and they belong orto (Check all that apply) to A. similar triangles B. similar circles C. congruent circles D. the same circle​

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

Simplify the expression. -2/5(10+15m-20n)

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.