Six students were given 20 minutes to clean up the classroom after an eraser fight.
they were angry and named 3 other accomplices. the principal added their friends to
the clean-up crew and changed the time limit. how much time did she give them to
complete the job?

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

Mrs. gehrke said cheddar weighs 16.8 pounds. he actually weighs 15.2 pounds. what is the percent error?

8.74 rounded to the nearest whole number