. Knowing that 1 year = 3.1536 × 10
7 seconds, how many years does
it take for light to travel from Proxima Centauri to Earth? Write your
answer in standard notation. Round your answer to two decimal
places.

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

100 points, hi, i’m not sure what to do here,the data doesn’t seem to be quadratic .? can anyone me, in advance

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