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The essential difference between an experiment and an observational study is that: a. Observational studies may have confounded variables, but experiments never do. b. In an experiment, people must give
answered
Nov 18, 2021
Mathematics
college
6
votes
171k
views
2. Karen bought a new car in 2001 for $34,000.00 She sold it in 2015 for $19,000.00. What was the percent of decrease? (round to whole percent)
answered
Nov 7, 2021
Mathematics
college
0
votes
47.4k
views
Guess what? My local sports center is offering or offers tennis lessons Which one is correct?
answered
Nov 7, 2021
English
middle-school
3
votes
118k
views
The wigs compared Harrison to
answered
Aug 16, 2021
History
middle-school
4
votes
204k
views
2) For which value of P and W is P + W a rational number? P = 1/(sqrt(3)) And W = 1/(sqrt(6)) 2) P = 1/(sqrt(4)) and w = 1/(sqrt(9)) 3) P = 1/(sqrt(6)) and w = 1/(sqrt(10)) 4) P = 1/(sqrt(25)) and W =
answered
Jun 10, 2021
Mathematics
middle-school
4
votes
126k
views
Explain, in your own words, how to solve two-step equations. WILL GIVE 15 POINTS
answered
May 23, 2021
Mathematics
high-school
3
votes
198k
views
______ and _______ made the south's climate perfect for growing cash crops on plantations
answered
Apr 27, 2021
Social Studies
high-school
2
votes
426
views
Teresa is 25 years old, and she makes $30,000 per year. If Teresa were to die, how much would the beneficiaries of her life insurance policy receive if they can get by on 75% of her income?
answered
Apr 16, 2021
Mathematics
high-school
4
votes
111k
views
2. What happens to the pioneer organisms once the new colonizers become established?
answered
Mar 13, 2021
Biology
high-school
4
votes
142k
views
What are used for manufacturing paper along with wood and chemicals
answered
Feb 14, 2021
Physics
high-school
1
vote
18.0k
views
Ash Company reported sales of $550,000 for Year 1, $600,000 for Year 2, and $650,000 for Year 3. Using Year 1 as the base year, what is the revenue trend percent for Years 2 and 3
answered
Feb 11, 2021
Business
college
3
votes
99.1k
views
According to Michael Walzer, what is a thick moral argument? a. a moral argument that takes into account the actual, particular details of the political association or culture involved b. a moral argument
answered
Jan 8, 2021
Social Studies
high-school
7
votes
210k
views
The human side of “place” can be _____________ a. human ideas or actions. b. density of population. c. language patterns. d. all of the above. Please select the best answer from the choices provided A
answered
Jan 6, 2021
History
high-school
2
votes
95.8k
views
Luis solves the following system of equations by elimination. What is the value of s in the solution of the system? 11 33
answered
Nov 18, 2020
Mathematics
middle-school
1
vote
154k
views
How does the point of view shape what the reader learns from the narrative? The fist day on the job
answered
Sep 12, 2020
English
middle-school
4
votes
12.0k
views
The distance on a map between a student’s house and her job is 4 centimeters. On the same map, the distance between her house and her school is 6 centimeters. The actual distance from her house to school
answered
Jul 28, 2020
Mathematics
high-school
1
vote
50.3k
views
Which of the following are true of a barter economy? Check all that apply. (A) Money evolved out of a barter economy as traders sought to make trading easier.(B) The transaction costs of exchanges are
answered
Apr 8, 2020
Social Studies
high-school
4
votes
65.3k
views
Which organ is in the most immediate danger of being harmed by a low carbohydrate diet
answered
Mar 11, 2020
Health
middle-school
1
vote
10.1k
views
If cos = 3/5, then tan = _____. cramming trying to graduate please help
answered
Mar 6, 2020
Mathematics
middle-school
4
votes
223k
views
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