Answers by Bob Zheng
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Answers by Bob Zheng

Answers by Bob Zheng
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What kind of light can be seen by the human eye
answered Sep 7, 2020
4 votes
37.4k views
Find the value of the expression 2x3 + 3y2 − 17 when x = 3 and y = 4. 26 85 943 1,927
answered Jan 20, 2020
3 votes
75.8k views
Suppose there is a bag containing 20 white marbles ​(Upper W​), 20 red marbles ​(Upper R​), 20 yellow marbles ​(Upper Y​), and 20 green marbles ​(Upper G​). Someone mixes the marbles​ thoroughly, draws
answered Jan 15, 2020
6 votes
106k views
Which of the following is evidence of a chemical change? phase change the formation of a gas mass change change in surface area
answered Sep 2, 2019
5 votes
42.0k views
Which of these was one of gerald ford's goals for his presidency?
answered Aug 23, 2019
2 votes
31.5k views
what is one way to think about theme? a. a theme concerns the consequences characters face. b. a theme is what tells characters how to behave. c. a theme is an insight that the story reveals about human
answered Jun 13, 2019
3 votes
188k views
Terms like cool and warm refer to a colors??
answered Mar 3, 2019
2 votes
61.0k views
A positive charge of 6.0 × 10-4 C is in an electric field that exerts a force of 4.5 × 10-4 N on it. What is the strength of the electric field
answered Feb 21, 2019
3 votes
159k views
Claire bought 6 packs of baseball cards each pack had the same number of cards. If Claire bought 48 baseball cards in all how many cards were in the pack
answered Jul 7, 2018
3 votes
7.0k views
"If organ Y becomes unable to produce enough hormone B, then homeostasis would be disrupted. To restore homeostasis and compensate for the lack of hormone B, one useful action would be to (1)increase the
answered Feb 27, 2018
7 votes
15.6k views
What is the difference7 7/8 - 3 1/4
answered Nov 2, 2017
0 votes
103k views
What do Inducers cause cells to do?
answered Jun 16, 2017
2 votes
192k views
All international conservation programs were started in the 1990’s. Please select the best answer from the choices provided T
answered May 11, 2017
5 votes
157k views
Rewrite 9.524 as a mixed number in lowest terms.
answered Oct 22, 2016
5 votes
223k views
The sales tax on a surfboard is $12. What is the percent of sales tax if it is $240
answered Apr 2, 2016
6 votes
156k views
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