Write the equations of these two parabolas in vertex form: focus at (4, 3), and directrix x = 2 focus at (2, -1), and directrix x = 8

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

An appliance store sells lamps at $95.00 for two. a department store sells similar lamps at 5 for $250.00. which store sells at a better rate

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box