(20 pts, pls answer these correctly, if possible ^^; ; )

choose the correct word to complete each statement, based on the number line shown above.

1. m + n is (sometimes, always, or to n + m.

2. mn is (sometimes, always or never) positive.

3. m/n (sometimes, always or never) results in another integer.

4. m - n is (sometimes, always or never) negative.

5. m/n is (sometimes, always or never) equivalent to n/m.

6. n + (-n) is (sometimes, always or never) to 0.

1. always

2.never

3.sometimes

4.always

5.sometimes

6.always

Step-by-step explanation:

It is clear from the given number line, that is a negative integer and is a positive integer.

1. It is always true because addition is always commutative property.

2. It is never positive because product of two different sign is always negative.

3.dividing two integer with unlike sign may result in any integer

4.when a positive quantity is reduced from a negative quantity, the result is always negative.

5.division of two unlike integers may result the same,if they both have the same value

6.If an opposite of a positive integer is added to that positive integer itself, the result is is always 0.

a) one student is chosen from classroom a, then a student is chosen from classroom b.  

step-by-step explanation:

independent events are ones in which the probability of one event does not affect the probability of the second event.

one student is chosen from classroom a; this does not affect the chances of choosing a student from classroom b.   this makes these independent events.

when one card is chosen from a standard deck and then set aside before a second card is chosen, the probability of the second card being chosen changes.   this makes them dependent events.

when one student is chosen from classroom a and then a second student is chosen from classroom a, the probability of choosing the second student changes.   this makes them dependent events.

when a letter is chosen from the alphabet and then a second letter is chosen, the probability of choosing the second letter changes.   this makes them dependent events.

answer are

step-by-step explanation: