Answer:
Im not sure if this is what your looking for but
Step-by-step explanation:
(-2)(-18)=36
or
(x)(y)=36
But the first one should be right.
Male student: 40/100 = 2/5
graduate: 520/2106 = 65/252
2/5 + 65/252
= 829/1260 ( this is the probability)
(me brushing my teeth) and (you going to school)
Step Number 1. is to Simplify

Step Number 2. <span>Simplify so you get </span>

Done! :)
The answer is A: A uniform probability model is a good model to represent probabilities related to the numbers generated in Pedro's experiment.
and B: It is likely that the spinner is fair.