Answers by Mark Bao
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Answers by Mark Bao

Answers by Mark Bao
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2x+y+2z=-2 -2x+2y-z=-5 4x+y+2z=0
answered Nov 29, 2023
7 votes
24.5k views
What is digestion ? Why do animals require a digestive system
answered Nov 19, 2023
2 votes
187k views
Give the sin, cos, and tan for the point on the Unit Circle at 5pi/3°
answered Sep 25, 2023
1 vote
92.5k views
I need someones help
answered Apr 26, 2023
4 votes
89.2k views
The area of a triangle is 243 in. If both its length and width are reduced to one- third their original length, what would its new area be?
answered Jan 20, 2023
1 vote
142k views
What is the absolute value of |-2+4|
answered Dec 28, 2022
9 votes
207k views
You start a bank account with $50. Each week after that, you deposit $12. How many weeks will it take to have $230 in the account? A. 15 B. 8 C. 24.3 D. 10
answered Dec 20, 2022
5 votes
167k views
Under similar conditions, which gas diffuses most rapidly through a small opening? a. Methane, CH4 b. Carbon dioxide C. Sulfur dioxide d. Oxygen e. Chlorine
answered Mar 21, 2022
2 votes
174k views
All Native American groups accepted white settlement. True or False?
answered Jan 20, 2022
4 votes
216k views
What is the value of n?
answered Oct 21, 2021
1 vote
112k views
"ABC Company knew that its customers were interested in environmentally friendly business practices, so it began marking all of its products as environmentally friendly because they were made with all-natural
answered Oct 19, 2021
6 votes
88.2k views
Metroplex Corporation will pay a $5.20 per share dividend next year. The company pledges to increase its dividend by 7.20 percent per year indefinitely. If you require a 14.00 percent return on your investment,
answered Oct 15, 2021
7 votes
90.7k views
Which characteristic of a protein may change during a DNA mutation?
answered Oct 4, 2021
5 votes
34.8k views
Which website author is most likely to offer advice based on scientific research? A. An activist at a radical nonprofit organization B. a person with "Dr." in front of his or her name C. a professor at
answered Sep 7, 2021
3 votes
63.5k views
A train slows from 44 m/s to 19 m/s in 9 seconds. What is the train's acceleration? Show your work.
answered Aug 28, 2021
7 votes
23.9k views
Calculate the mass of calcium carbide produced if 1770 kJ of heat is absorbed.
answered Jul 24, 2021
4 votes
40.6k views
Evaluate the following expression when b = -4 , -4.5b=
answered Jun 18, 2021
1 vote
192k views
What did the Romans develop to improve sanitation?
answered Jun 6, 2021
3 votes
213k views
Customers can pick their own pumpkins at the great pumpkin patch. They pay $4 to enter and $3 per pound for the pumpkins they pick. Write an equitation to model the total cost, y, for x pounds of pumpkins.
answered Mar 20, 2021
6 votes
46.1k views
Two recipes within your food group that are highly nutritious for dairy
answered Feb 12, 2021
4 votes
156k views
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