"Over" usually means divide. First hint, check.
If we write it out, it looks like this:

This is the same as <em>some number divided by 7.</em>
Answer:
4 and 2
Step-by-step explanation:
4x4+2x2
16+4=20
Answer:
120
Step-by-step explanation:
The subcommittee needs to contain 1 out of 3 freshmen, 1 out of 4 sophomores, 1 out of 5 juniors and 1 out of 2 seniors. Assuming order is not important, the number of possibilities to pick the subcommittee members is given by:

There are 120 possible subcommittees.
Answer:
<u>add up all numbers</u>
<u>then divide that number by the amount of numbers.</u>
Step-by-step explanation:
mad is basically finding the average of a set of numbers.
and how do you do that?
first, add up all numbers
ex: 1, 5,3,10,6,20,15,15,14 --> this adds up to 90.
then divide that number by the amount of numbers.
count how much numbers ehere are: there are 9 numbers.
divide 90 by 9 and the mad/average is 10.
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