A city has an elevation of 465 feet. Another city has an elevation of -45 feet. Which
expression can be used to find the difference in their elevations?

Answer this question, only if you know the answer. 30 points and brainliest!

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

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