S+a=150
3s+8a=1000
a=-s+150
3s-8s+1200=1000
-5s=-200
s=40
a=110
40 student and 110 adult tickets were sold
Answer:
n=6
Step-by-step explanation:
Derivative is this picture
Answer:
If 0 lies in the quadrant IV. What can be the value of cos 0 ? The angle 0 does not lie in any of the four quadrants, it lands directly in between quadrants I and IV. The value of cos 0 is always 1.