Determine whether QR & ST are parallel, perpendicular, or neither. Q(- 8, 7) , R(- 7, 2) , S(- 8, 13), (- 11, - 2)

Which of the following system of equation is not equal to the system of equations is not equal to the system of equations shown below

Acircular garden with radius of 8 feet is surrounded by a circular path with a width of 3 feet. what is the approximate area of the path alone? use 3.14 for π

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