Could someone plase help me?

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3.) 3 / 40 this is a fraction.

4.) 6

5.) 9

Step-by-step explanation:

I refreshed and the word problems showed up. For #1, answer is 12. For #2, answer is 56.

#1. There is 4 players, each player plays one game with the other players. Each player will play against 3 people and there is 4 people. 3x4=12.

#2 There is 8 players, each player plays one game with the other players. Do the same thing each player plays against the other 7, 8 total people. 7x8 = 56.

answer:

it is general formula that is used to write value to its excet position

a11 a12 a13

a21 a22 a23

it is the example of order 2 by 3 matrix in this

a11 means value occur in 1 st row 1st column

a12 means value occurs in 1st row 2nd column

a13 means value occur in 1st row and 3rd column

a21 means value occurs in 2nd row and 1st column

a22 means value occurs in 2nd row and in 2nd column

a23 means value occurs in 2nd row and in 3rd column