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If it is a straight line going across then the slope is 0.
Answer:
Below
Step-by-step explanation:
First, find the difference. You would do
-19 - (-9) = -10
-9 - 1 = -10 and so on...
The difference is -10
Now you need to find what number will make 11 when added to -10.
11 - (-10) = 21
The equation:
y = -10x + 21
68 students increased by 125% is
68 + 68(1.25)
68 + 85 = 153
hope it helps