Please do this and then send back with answers please!

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

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

Can someone me with the property questions for 12 13 and 14 plz