792/1220=0.6491...
=0.65
0.65x100=65
So 65% of the students in the school has a cell phone.
If discriminate is less than zero, the quadratic will have no real solution.
Answer: B
Answer:
It is not proportional.
Step-by-step explanation:
The first and last one are the right ones.
Answer:
x=16
Step-by-step explanation:
- Just divide it as a decimal (40/2.5)