Answer:
option 3
Step-by-step explanation:
Since definition of slope is:

the ratio:

explains the best (Ratio option 3)

By the quadratic formula,

Then


Multiply numerator and denominator by the denominator's conjugate:

Answer:
mean
Step-by-step explanation:
mean .
mean is regarded as the average value calculated from a data set .
mean = total sum of values / total number of values.
Answer:
$6.5
Step-by-step explanation:
you take the cost and divide it by the number of product and you have what one product would cost