Answer:
median of given data is 18
y=mx+B is the formula for finding the slop intercept
Answer:

Step-by-step explanation:
We are given the equation
. To find y-value when or at x = 3, simply substitute x = 3 in which gives us
then evaluate the value as we obtain the y-value or final answer to the question:

If you have any questions about this question or for clarification, do not hesitate to ask in comment!