I know, you have to divide 90 by what ever the length is, then you have to figure out where the points are. So it should be.... D!!!
Answer:

Step-by-step explanation:
we are given the endpoint i.e P and Q of a line segment
we want to figure out the Midpoint of the Line segment
in order to do so we can use Midpoint formula given by

so let

substitute

simplify addition:

simplify division:

hence,
the Midpoint of the line segment is (3,1)
Answer:
b
Step-by-step explanation:
Toy cost = $50
A.T.Q,
Markup = 50*45 / 100 = 22.5
(B)$22.50 is your answer.