I would say D because you can not have a sample size of every student in a city, state, or country
Answer:
ax^2 + bx + c
Step-by-step explanation:
im pretty sure this answers your question
Answer:
See below.
Step-by-step explanation:
A year has 12 months and 365 days.
3 months: 3/12 year = 1/4 year
55 days: 55/365 year = 11/73 year
1 month: 1/12 year
7 months = 7/12 year
120 days = 120/365 year = 24/73 year
Answer: 30
Step-by-step explanation:
– 3 (–5) (2)
(15)(2)
30