Calculate the average rate of change for the graphed sequence from n = 2 to n = 4. graphed sequence showing point 1, negative 3, point 2, negative 3.5, point 3, negative 6.75, point 4, negative 10.125, point 5, negative 15.1875, and point 6, negative 22.78125

 I believe the given sequence is in the tabular form of:

n             value

1              - 3

2              - 3.5

3              - 6.75

4              - 10.125

5              - 15.1875

6              - 22.78125

Now to find for the average rate of change from n1 = 2 to n2 = 4, we simply have to use the formula:

average rate of change = (value2 – value1) / (n2 – n1)

Substituting:

average rate of change = (- 10.125 – (-3.5)) / (4 – 2)

average rate of change = (- 6.625) / (2)

average rate of change = -3.3125

Therefore the average rate of change from n=2 to n=4 is -3.3125.

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.

i think it would be 42cm