Answers by Hou Lu
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Answers by Hou Lu

Answers by Hou Lu
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3(x + 5) = 2(4x + 9) ​
answered Apr 17, 2021
3 votes
163k views
Using the graph of f(x) and g(x)=f(k•x), determine the value of k. a)-2 b)-1/2 c)1/2 d)2
answered Mar 30, 2021
3 votes
106k views
A biopsychosocial approach to substance abuse would be most likely to emphasize
answered Feb 13, 2021
5 votes
42.8k views
Mis amigos y yo (nadar) en la piscina casi todos los días. Siempre yo (comer) galletas después de la escuela. Yo (lavar) muy de prisa. Mientras la yo (esperar) , llegó el autobús. No yo (entender) lo que
answered Dec 8, 2020
4 votes
114k views
NaCI is__ an acid a base a salt
answered Nov 7, 2020
4 votes
64.4k views
Select the correct answer from the drop-down menu. An energy drink company claims that its product increases students' memory levels. To support its dalims, the company issues advertisements daiming that
answered Sep 5, 2020
3 votes
101k views
The first few years after Indira Nooyi took over as PepsiCo’s CEO and implemented Performance with purpose, the company underperformed archival Coca-Cola Co. by a wide margin. What should a strategic leader
answered Jul 16, 2020
0 votes
175k views
Write an algebraic expression for the phrase below. 12 less than twice a number n ​
answered Jan 17, 2020
5 votes
53.1k views
Which angles are congruent? A. a 30° angle and a 60° angle B. a 60° angle and a 60° angle C. a 60° angle and an 120° angle D. none of the above
answered Jan 11, 2020
3 votes
209k views
There are 3 jars of pennies each jar has 465 pennies how many pennies are there in all
answered Dec 9, 2019
7 votes
127k views
A behavioral adaptation must be related to _____. A. anatomy B. reproduction C. acquired traits D. how something acts
answered Jun 10, 2019
3 votes
88.1k views
An exothermic reaction is a chemical reaction that produces _____. a. bubbles of gas b. a new substance c. a precipitate d. heat energy
answered Apr 8, 2019
6 votes
211k views
The isomerization reaction, ch3nc → ch3cn, is first order and the rate constant is equal to 0.46 s-1 at 600 k. what is the concentration of ch3nc after 0.20 minutes if the initial concentration is 0.30
answered Mar 20, 2019
4 votes
65.5k views
Find the area of the circle
answered Aug 28, 2018
5 votes
4.6k views
How do humans obtain the nitrogen they need for their bodies? a) by absorbing ammonia from bacteria growing from roots of plants b)by absorbing nitrogen found in soil c)by breathing the nitrogen found
answered Aug 22, 2018
5 votes
233k views
What is a space station? Name some uses of space stations.
answered Jan 15, 2018
4 votes
80.1k views
Kira finished 2/5 of an puzzle in 1/ 5 of an hour. At this rate, how many puzzles could she finish in 1 hour?
answered Jan 9, 2018
4 votes
155k views
A continental tropical air mass formed over the Southwest U.S. This area is called its _____. home region mass region source region front region
answered Jan 18, 2017
0 votes
173k views
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