At a party there are 30 students over the age of 18 and 20 students under 18. You
randomly choose 3 students over 18 and 2
students under 18 to interview. This is an
example of:

A. A convenience sample
B. A self-selected sample
C. A systematic sample
D. A random sample

Find the equation using the point (4,8)

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.

An object is translated by (x + 4, y - 2). if one point in the image has the coordinates (5, -3), what would be the coordinates of its pre-image? (9, -5) (1, -5) (9, -1) (1, -1)