Answer:

Step-by-step explanation:
Answer:
what? I don't get it?
Step-by-step explanation:
The first step would be to add 7 to both sides.
3n-7=30
add 7
3n=37
divide by 3
n=12.33
No its not posible because the sine is 1.5 and it cant be higher then 1
Answer:
if there are 360 students, the number of teacher will be 6,480...
360:6,480