The correct answer to this question is B
Answer:
Step-by-step explanation:
Given that the number of males in the classroom is three more than twice the number of females.
the total number of students is 57
Let x be the no of males then no of females = 
Also we have 3 more than twice no of females as

This equals x

No of males = 39, no of females = 18
Answer:

Step-by-step explanation:
Two triangles are congruent by AAS postulate if two adjacent corresponding angles are congruent and the next adjacent sides to any of the angles is are also congruent. The adjacent sides should not be in between the two congruent angles.
From the triangles RQS and UTV

The adjacent side to
is RQ and for
is UT.
Similarly, the adjacent side to
is QS and for
is TV.
So, the possible sides that could be congruent by AAS postulate are:
or 
So, the correct option is 
Answer:
13%
Step-by-step explanation:
Commission rate = commission / value sold
= 286/2200
= 13%