Answer: 
Step-by-step explanation:
Observe the given figure.
You can identify that the measure of the angle "B" is:
Knowing this, you can conclude that the angle "p" and the angle "m" are Complementary angles, which means that the sum of their measures is 90 degrees. Then, you can write the following equation:
[Equation 1]
You know that:
Then you can substitute it into the [Equation 1] and then solve for 
. Therefore, you get:
Answer: Hello mate!
in your group, there are 16 players, 10 males, and 6 females.
in this case, 5 males already arrived (then there are 5 other males left)
and 4 females already arrived (then there are other 2 females left)
then there are a total of 7 players left, where 2 are female and 5 are males.
you want to know the probability that the next person through the door will be a male.
this is the number of male players left, divided by the number of players left: 5/7 = 0.71
then the probability that the next person through the door will be a male is 0.71.
18 8/16 = 18.5....rounded to the nearest whole number = 19
