Questions by Helin Wang

Questions by Helin Wang

What is an urgent global challenge, social justice topic, or racial injustice issue about which you are passionate? What solutions or outcomes do you hope to see?

asked Sep 5, 2021

1 answer

0 votes

39.1k views

Factor the expression below. 2y^2-2y-4

asked Aug 18, 2021

2 answers

4 votes

90.9k views

Consider the following balanced equation for the following reaction: 15O2(g) + 2C6H5COOH(aq) → 14CO2(g) + 6H2O(l) Determine the amount of CO2(g) formed in the reaction if the percent yield of CO2(g) is

asked Jun 9, 2021

1 answer

0 votes

195k views

Which best defines a diploid cell during meiosis?

asked May 11, 2021

2 answers

2 votes

221k views

In a simple food chain, small fish eat algae; bigger fish eat the smaller fish; bears eat the bigger fish. Using the above scenario, which of these would have the largest amount of available energy? A.

asked Apr 22, 2021

1 answer

5 votes

143k views

Dimensions should be placed__ the drawing whenever possible__lines should not cross dimension lines

asked Apr 4, 2021

1 answer

3 votes

139k views

Could someone help! I need to write a Python program based on Graphical User Interface. The sum of the terms of an arithmetic progression and the identification of that value with being “LESS OR EQUAL

asked Feb 20, 2021

1 answer

4 votes

233k views

Plz help me with this math it is kinda hard for me

asked Oct 3, 2020

1 answer

5 votes

42.3k views

Which best describes how diction contributes to a writer's style

asked Jun 27, 2020

1 answer

3 votes

61.3k views

Describe how species are named scientifically

asked May 18, 2020

2 answers

3 votes

215k views

41) When blood pressure receptors sense a loss of blood pressure, they ________ their firing rate.A) increaseB) decrease

asked Feb 28, 2020

1 answer

4 votes

192k views

Which of the following illustrates how word choice can create a negative mood? the use of “night” rather than “dark” the use of “decay” rather than “weaken” the use of “festivity” rather than “fiesta”

asked Dec 3, 2019

2 answers

4 votes

195k views

Yk+yz=r Solving for y

asked Jun 17, 2019

1 answer

0 votes

134k views

Please help me on A, B, and C

asked Apr 23, 2019

2 answers

5 votes

10.9k views

Alan needs to mix 3 tablespoons of salt with 5 tablespoons of vinegar to make a cleaning solution. How many tablespoons of salt are needed for each tablespoon of vinegar? 5 over 3 tablespoons 3 over 8

asked Dec 8, 2018

2 answers

3 votes

37.0k views

What is the capital of japan?

asked Oct 28, 2018

2 answers

3 votes

192k views

Suggest your own ideas for reconstruction and explain why they are good ideas

asked Aug 24, 2018

1 answer

4 votes

18.9k views

Which statement best describes the polynomial? 13y8 -4y7 +3y a.It is in standard form because the coefficients are in order from highest to lowest. b.It is in standard form because the exponents are in

asked Apr 22, 2018

2 answers

1 vote

169k views

Give the function f(x)=2e^x, find f(x) if x=3

asked Sep 13, 2017

1 answer

5 votes

179k views

Atoms in a molecule are joined together by a special link called a: A. physical action B. chemical bond C. formula bond D. dynamic structure

asked Aug 27, 2017

1 answer

2 votes

132k views

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