Answers by Fred Qian
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Answers by Fred Qian

Answers by Fred Qian
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Four speed skaters, Marco
answered Jun 7, 2020
2 votes
134k views
Can you describe the operátor, promoter and inducer of the lac operon? How does each of these finction to regulate β-galactosidase production?
answered Mar 10, 2020
4 votes
89.5k views
Simplify expressions 3x×4y×2x
answered Aug 7, 2019
5 votes
147k views
Lie detectors have a 15% chance of concluding that a person is lying even when they are telling the truth. a bank conducts interviews of job applicants with the use of the lie detector. there are 15 applicants
answered Jul 7, 2019
5 votes
231k views
lily tiene 15 años mas que su hermana carmen. Hace 6 años la edad de Lily era seis veces la de Carmen. Halla las edades actuales.
answered May 7, 2019
6 votes
44.4k views
2x + 6 What is the value of this expression if x = 4? A) 2 B) 8 C) 14 D) 20
answered Mar 18, 2019
7 votes
28.6k views
Who did some christians blame for the spread of ye Black Death
answered Feb 27, 2019
3 votes
101k views
For job A, you work 8 hours per day on weekends. For job B, you work 4 hours a day on weekdays. The jobs pay the same hourly rate. Which pays more per week?
answered Apr 24, 2018
4 votes
213k views
How many liters is 5,000ml
answered Mar 3, 2018
0 votes
164k views
Some athletes now wear special shoes with spikes to get a better grip. What does this indicate?
answered Feb 18, 2018
5 votes
225k views
Economic, population, and battle maps are all examples of __________. a. globes b. political maps c. physical maps d. thematic maps
answered Jan 29, 2018
1 vote
118k views
The expiration date on a product refers to the last date a product should be
answered Dec 7, 2017
3 votes
216k views
X squared minus 169 equals zero what is the value of x
answered Jun 9, 2017
1 vote
8.7k views
Simplify the expression 55-4*5+12
answered Feb 27, 2017
7 votes
168k views
Change the fraction 4/13 to a decimal
answered Dec 20, 2016
3 votes
136k views
Which leader banned Christmas pudding and mince pies during the 17th Century?
answered Apr 9, 2016
6 votes
105k views
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