Answer:
1
Step-by-step explanation:
|x| means the absolute value, which is 4 and -4
Multiply the number of sizes by the number of toppings. 3 * 4 = 12 different combinations.
It's False because 10 people cannot be born on the same day. It's Impossible
Answer:
Step-by-step explanation:
x
For a survey like this, you want to take a random sample. It would be a good idea to use an alphabetical list of the students. Then, you could randomly select students from the list.
The principal would want to avoid surveying all the same type of students. For example, don't just ask the athletes.