Answer:
The area of the triangle is of 21 units of area.
Step-by-step explanation:
The area of a triangle with three vertices 
is given by the determinant of the following matrix:
In this question:
Vertices (3,0) (9,0) (7,6). So
The area of the triangle is of 21 units of area.
The answers are:
13. |3y|=9, y<0
14. |x|=2, x>0
3 < 37
I hope this helps you!
The answer is: 30 skiers were participating in the ski trip.
Method:
$50S = $1,850 - $350 = $1,500
S = 1,500/50 = 30
Therefore, 30 skiers went on the trip
Answer:
40
Step-by-step explanation:
lining them up:
19, 19, 22, 25, 27, 31, 32, 32, 40
We can see that 27 is in the middle when h is 40
