9. a stock market fell 60 points over a period
of four days. what was the average change
in the stock market each day?

15 points

Step-by-step explanation:

With the DOW sitting at 27000 plus, 60 points wouldn't qualify as pocket change in pennies.

4 days = 60 points

1 day = x

4/1 = 60/x     Cross multiply

4x = 60*1

4x = 60         Divide by 4

4x/4 = 60/4  Do the division

x = 15

answer: b.

step-by-step explanation:

the y coordinate for point b is 0, and answer b is the only one with that y coordinate.

in simplified version   it would be x ≤-4

step-by-step explanation:

multiply each term in x ≤-4 by -1