Answer:
10 times.
Step-by-step explanation:
The number in the tenths place is 90. The number in the ones place is 9. 9 times 10 is 90.
Answer: 14.4 h
The speed is : 
The time it takes to travel 279 miles :
Answer:
15000
Step-by-step explanation:
Given that a professor wants to know how undergraduate students at X University feel about food services on campus, in general. She obtains a list of email addresses of all 15,000 registered undergraduates from the registrar’s office and mails a questionnaire to 300 students selected at random.
Only 150 questionnaires are returned.
So the sample size changed to 150. But population is the number of registered undergraduates which do not change.
Population size = 15000
Y=17 If it's just 1037/61
