Answer:
60 students
Step-by-step explanation:
The confidence interval of a proportion is given by:

Where 'p' is the proportion of students who responded 'yes', 'z' is the z-score for a 95% confidence interval (which is known to be 1.960), and 'n' is the number of students in the sample.
If the confidence interval is from 0.584 to 0.816, then:

60 students were in the sample.
Answer: 706.5
Step-by-step explanation:
A= pi r squared
A= 3.14x15 squared
15 squared = 225
A= 3.14x225
Step-by-step explanation:
x-3>7 =>
x>10
hope this helps
Grant can buy 3 packes of the 10 or he can put 30 packs of the single pieces
7/5 * 5/7y = 7/5 * 6
y = 42/5.
The multiplication property of equality is used.