Answer:

Step-by-step explanation:
Given
x 2 4 6 8
y 1 -2 -5 -8
Required
Determine the slope
First, pick any two corresponding x and y values.


The slope (m) is then calculated using:

Substitute in, the x and y values




Divide numerator and denominator by 3


<em>Hence, the slope is -3/2</em>
Answer:
Step-by-step explanation:
Answer:
do a line conforming to the table days=x sales =y
Step-by-step explanation:
Answer:
t>=7
Step-by-step explanation: