Answers by David Ma
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Answers by David Ma

Answers by David Ma
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Ice is placed around a bowl of water to lower the temperature. The equation D=−75t+22 shows the time, t, measured in minutes and temperature, D, measured in degrees Celsius. Which statement is correct?
answered Feb 19, 2021
5 votes
172k views
As a supervisor of claim adjusters for a property and casualty insurance company, you assign and reassign adjusters to handle routine and emergency situations. Your managerial skills have become severely
answered Dec 28, 2020
3 votes
21.3k views
How can I simplify this expression 2x-y+5x
answered Dec 9, 2020
2 votes
83.1k views
Consider the oxidation of sodium metal to sodium oxide described by the balanced equation: 4 Na(s) + O2(g) → 2 Na2O(s) As you can see there are letters in parentheses after each substance. Show you know
answered Nov 12, 2020
2 votes
203k views
NEED HELP !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Select the correct answer. For what instrument was John Coltrane famous? A. piano B. trumpet C. saxophone D. upright bass
answered Mar 25, 2020
5 votes
21.6k views
This is a situation in which genes are attached to an organism's sex chromosomes; the sex of an organism influences the expression of a gene.
answered Feb 20, 2020
2 votes
217k views
An express train and a local train start out from the same point and the same time and travel in opposite directions. the express train travels twice as fast as the local train. after 4 hours they are
answered Dec 10, 2019
5 votes
94.7k views
Why did feudal lords build castles? A) Because they wanted everyone to be able to live together. B) Because they lived in such violence and they wanted to protect their people. C) Because the Catholic
answered Sep 10, 2019
4 votes
91.1k views
What is 32% of 92??? Pls help asap!!!
answered Aug 20, 2019
2 votes
158k views
Plant and animal cells share many similar structures. Which of the following structures are found in both plant and animal cells? I. cell membrane II. cell wall III. chloroplast IV. cytoplasm V. nucleus
answered May 17, 2019
6 votes
228k views
Cracks and rocks description and location. this question is for science
answered Mar 25, 2019
3 votes
81.0k views
I need help please and thank you this is due tomorrow
answered Dec 15, 2018
2 votes
10.5k views
What two numbers multiplied together equal -420, but added together equal 1
answered Apr 27, 2018
1 vote
104k views
Who is the first group to settle in South Africa
answered Mar 16, 2018
4 votes
12.3k views
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