Classify each variable as discrete or continuous : a. Ages of people working in a large factory .
b. Number of cups of coffee served at a restaurant.
c. The amount of drug injections into a guinea pig .
d. The time it takes a student to drive to school .
e. The number of gallons of milk sold each day at a grocery store

Use set builder notation to represent the following set: { -3, -2, -1, 0}

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.

Cuántos triángulos forman un diamante