Tuesday

May 3, 2016
Number of results: 110

**PHL/323**

roles of key players, ethical issues involved fo the scott paper company
*December 4, 2010 by bobbi *

**PHL/323**

WHAT ARE SOME BLURBS FOR SCOTTS PAPER COMPANY? PLEASE PLEASE HELP IM ALMOST DONE AND THIS IS CONFUSING ME
*December 6, 2010 by HELP IM STUCK!!! ITS DUE TONIGHT*

**PHL 103**

p v q is the best interpreted as
*October 2, 2013 by Anonymous*

**phl/251**

What are contrasting metaphors for marriage?
*September 22, 2011 by Anonymous*

**phl/251**

need to write an example metaphor for a "place" and a "event"
*September 22, 2011 by Anonymous*

**Geometery**

Composite figure finding area. Is this right my answer I came out with is 323.5 cm? Rectangle: A=22cm x 17cm = 374 (Long side is 22cm, Width is 17cm.) Triangle: A = 1/2 x b x h A = 1/2 x 19cm ( no height given) So then, I added the rectangle and trinagle sum together and came...
*April 21, 2013 by Cole*

**political science- PHL**

how Hobbes, Machiavelli and Rousseau are relevant? little guidance please
*December 1, 2012 by jenny*

**chemistry**

Hi, I posted this question earlier.. 100 g of water, H2O, is heated from 25C to 50C. What is the entropy change for the process? Cp = 4.2J/K·mol for water? I was told 100*4.2ln(323 K/ 298k) was the way to calculate it, it does not produce the correct answer.. I also tried to ...
*May 1, 2016 by EBB*

**math**

If you earn the grades of 81, 84, 78, 80 in four tests what should your final test’s score be in order to have an average of 81%? .81x400=324 Need a total of 324 pts Test grades so far 81,84,78,80 = 323 324-323=1 You need at least one more point to get an 81 Can someone please...
*September 10, 2009 by Kay*

**chemistry**

strontium chloride can be obtained as the anhydrous salt, SrCl2, and as the hydrates SrCl2.2H20, and SrCl2.6H20. (ArSr = 87.5). 0.323 g of a sample of strontium chloride is dissolved in water and reacted with sliver nitrate solution. The mass of sliver chloride precipitates is...
*March 17, 2007 by kate*

**phl**

Do influences like culture, environment, history, and nature have a liberating or limiting effect on individual freedom? Some specific examples.
*February 14, 2012 by rod*

**math **

If you earn the grades of 81, 84, 78, 80 in four tests what should your final test’s score be in order to have an average of 81%? .81x400=324 Need a total of 324 pts Test grades so far 81,84,78,80 = 323 324-323=1 You need at least one more point in order to have an average of ...
*September 9, 2009 by Anonymous*

**PHL 251**

describe the role of critical thinking and language/language diversity in persuasion.
*July 6, 2010 by Denise*

**math**

estimate 6.9 x3.67 25.323
*August 27, 2014 by Alison*

**math**

234 X 323
*October 7, 2014 by jp*

**basic math**

I know the answer but i don't understand the borrowing of the 2in the thousands place why is it 11 and not 12... the problem is 612,014-323,440=288,574 http://mathforum.org/library/drmath/sets/select/dm_borrow.html Be sure to click on the various links to find the explanations...
*September 20, 2006 by kim*

**math**

can you tell how do you do an array for 323
*November 18, 2009 by sherry*

**Chemistry **

Benzene has a vapor pressure of 100.0 Torr at 26°C. A nonvolatile, nonelectrolyte compound was added to 0.309 mol benzene at 26°C and the vapor pressure of the benzene in the solution decreased to 60.0 Torr. What amount (in moles) of solute molecules were added to the benzene...
*February 15, 2010 by Angelica*

**Math**

Can you simplify the fraction 63/323? I've tried....
*November 11, 2011 by Annie*

**Ethics/323**

How should I start my paper?
*June 22, 2013 by Kimberley*

**maths**

0.4771=x/2.303*8.14[50/323*373 calc.-x?
*May 28, 2015 by tanya*

**MATH**

0.4771=x/2.303*8.14[50/323*373 calc.-x?
*May 28, 2015 by tanya*

**Algebra**

help me solve this equation by substitution. y^2− 4x^2 = 7 9y^2+16x^2 = 323
*November 9, 2012 by Tom*

**history**

I need information on Bull Capital Rampurva Maurya 323. thank you
*June 21, 2008 by raj*

**PHL/251**

what fallacy is I don't know what colleges are teaching these days! I have just received a letter of application from a young man who graduated from the state university last June. It was a wretched letter--badly written, with elementary errors in spelling, punctuation, and ...
*December 5, 2007 by b*

**statistics**

I don't know what scale to use in plotting the graph of this table; T[k]. D(g/ml) 263. 13.62 273. 13.60 283. 13.57 303. 13.55 313. 13.52 323. 13.42
*March 19, 2016 by austin*

**Chemistry **

Benzene has a vapor pressure of 100.0 Torr at 26°C. A nonvolatile, nonelectrolyte compound was added to 0.309 mol benzene at 26°C and the vapor pressure of the benzene in the solution decreased to 60.0 Torr. What amount (in moles) of solute molecules were added to the benzene...
*February 15, 2010 by Angelica*

**physics**

(a) What is the best coefficient of performance for a heat pump that has a hot reservoir temperature of 50.0°C and a cold reservoir temperature of -20.0°C? (b) How much heat in kilocalories would it pump into the warm environment if 3.60 multiplied by 107 J of work (10.0 kW·h...
*July 25, 2013 by Justin*

**physics**

(a) What is the best coefficient of performance for a heat pump that has a hot reservoir temperature of 50.0°C and a cold reservoir temperature of -20.0°C? (b) How much heat in kilocalories would it pump into the warm environment if 3.60 multiplied by 107 J of work (10.0 kW·h...
*July 26, 2013 by Justin*

**physics**

(a) What is the best coefficient of performance for a heat pump that has a hot reservoir temperature of 50.0°C and a cold reservoir temperature of -20.0°C? (b) How much heat in kilocalories would it pump into the warm environment if 3.60 multiplied by 107 J of work (10.0 kW·h...
*July 28, 2013 by Justin*

**physics**

(a) What is the best coefficient of performance for a heat pump that has a hot reservoir temperature of 50.0°C and a cold reservoir temperature of -20.0°C? (b) How much heat in kilocalories would it pump into the warm environment if 3.60 multiplied by 107 J of work (10.0 kW·h...
*July 28, 2013 by Justin*

**math**

16^2-25/5+6(3)4= i having trouble,been on this problem for a while need help and understanding of how the answer 323 when i keep coming up with a lower number. hhelp
*August 25, 2012 by ^^^^kesha*

**Statistics**

What critical t value would be needed to construct a 90% confidence interval on a sample of size 22? 1.717 1.323 2.080 1.321 1.721
*October 26, 2012 by Clueless*

**Statistics**

What critical t value would be needed to construct a 90% confidence interval on a sample of size 22? 1.717 1.323 2.080 1.321 1.721
*November 1, 2012 by Clueless*

**Stats**

What critical t value would be needed to construct a 90% confidence interval on a sample of size 22? 1.717 1.323 2.080 1.321 1.721
*November 4, 2012 by etwetw*

**Physical Chemistry**

Assuming that the activation energy is about 111kjmol-1, calculate the fractional variation in the rate constant that would result from a temparature of 323.15 K
*April 8, 2010 by Teri*

**math**

In a school with 323 students there are 15 more girls than boys.How many boys are there?
*July 16, 2015 by elizabeth*

**BUS 323**

Will someone please provide some references to this question? Thanks Which of the six virtues (and their related character strengths) are most relevant in discussing business ethics?
*September 28, 2011 by PENNY*

**Chemistry - Cell Potential**

Determine the delta G(o) and the equilibrium constant for the following reaction at 323 K. 2Br- + I2 --> Br2 + 2I- I got 100 kj/mol and K 7.19x10^16 but not sure if this is right
*April 26, 2012 by Easton*

**Chemistry**

The rate constant of a particular reaction is halved when the temperature is decreased from 323 K to 273 K. Calculate the activation energy for the reaction.
*May 21, 2012 by Lee*

**Algebra**

I just cannot seem to get these two problems. Any help is greatly appreciated. Use the method of substitution to solve the system. xy= 4 5x − y + 19= 0 and y^2 − 4x^2 = 7 9y^2 + 16x^2 = 323
*April 8, 2013 by jobe*

**Physics**

A golfer is enjoying a day out on the links. What maximum height will a 323.5 m drive reach if it is launched at an angle of 21.0◦ to the ground? The acceleration due to gravity is 9.81 m/s^2. Answer in units of m
*November 29, 2012 by Big Poppa Smurf*

**physics**

A robot probe drops a camera off the rim of a 323 m high cliff on Mars, where the free-fall acceleration is 3.7 m/s2 . Find the velocity with which it hits the ground. Answer in units of m/s.
*September 25, 2015 by Anonymous*

**physics**

An electrical device with a resistance of 323.0 k(omega sign) will allow a current of 21.0 A to flow through it if a voltage drop of _______________ Volts is impressed across the device.
*October 27, 2009 by Alyson*

**Physics**

a tank of helium gas used to inflate toy baloons is a pressure of 15.5 x 10 Pa and a temp of 293 k. The tank's volume is 0.020 m. How are a baloon would it fill at 1.00 atmosphere and 323 k
*April 25, 2010 by Rita*

**chem**

If a gas is cooled from 323.0 K to 273.15 K and the volume is kept constant, what final pressure would result if the original pressure was 750.0 mm Hg? Round to the nearest tenth. Don't forget the units.
*May 10, 2013 by nene *

**chem :(**

If a gas is cooled from 323.0 K to 273.15 K and the volume is kept constant, what final pressure would result if the original pressure was 750.0 mm Hg? Round to the nearest tenth. Don't forget the units.
*May 10, 2013 by nene*

**Geometry WP**

Robert has a rectangular garden that is currently 195 and has a perimeter of He wants to increase the size of his garden by 4 ft in both directions. What will be the area of his expanded garden? A) 112 B) 323 C) 72 D) 780
*June 13, 2010 by Felicia*

**chemistry**

a gas has a volume of 2 liters at 323 K and 3 atms. what will the new volume be if the temperature is lowered to 273 K and the pressure is lowered to 1 atm?
*April 18, 2010 by Anonymous*

**aig **

Please solve. Use order of operations. 320-(17+3)-5 = My answer is 323, am i right or not? if not please tell me your answer and how you got it.
*November 11, 2012 by May*

**Math**

One week a company has a loss of $216.70. The next week they have a gain of $323.83. What is the net gain between the 2 wks?
*March 23, 2013 by Brandi*

**3rd grade math**

179,323,175 round to the nearest million sue can you please check my answer . this is my answer 280,000,000. hope i got it right.
*January 14, 2010 by pat*

**5th grade math**

In 2000 the population of goddard was 5,554. The population of Valley Center was 7,323. What is the Approximate difference between the populations, to the nearest one hundred people. please! help I'm totaly confuse with this question?? do you substract it?
*February 9, 2011 by pat*

**chem word problem**

.If a gas is cooled from 323.0 K to 273.15 K and the volume is kept constant, what final pressure would result if the original pressure was 750.0 mm Hg? Round to the nearest tenth. Don't forget the units. what should i plug in?
*May 23, 2013 by ray*

**Chemistry -- DrBob222**

A gas initially at STP is heated to 50°C keeping the volume constant. What is its new pressure? I used this formula: P1 = 1 atm T1 = 273 K T2 = 323 K solve for P2 P2 = P1 (T2/T1) But, where do I use the 50 degrees C? Also, is my answer correct: P2 = 1atm x 323K/273K = 1.18 atm
*May 24, 2013 by Timofey*

**physics**

Find the net torque (magnitude and direction) produced by the forces F1 (F1 = 17.3 N) and F2 (F2 = 26.1 N) about the rotational axis shown in the drawing. The forces are acting on a thin rigid rod, and the axis is perpendicular to the page. (x = 0.323 m, y = 1.021 m, = 28.6°)
*October 26, 2011 by Sami*

**physics**

Find the net torque (magnitude and direction) produced by the forces F1 (F1 = 17.3 N) and F2 (F2 = 26.1 N) about the rotational axis shown in the drawing. The forces are acting on a thin rigid rod, and the axis is perpendicular to the page. (x = 0.323 m, y = 1.021 m, = 28.6°)
*October 26, 2011 by Sami*

**3re grade math **

i need help on this problem. 132,164,569 round to the nearest million? 179,323,175 round to the nearest million? thanks!
*January 14, 2010 by pat*

**physics**

) A hydrogen atom has its electron in the n = 5 level. The radius of the electron's orbit in the Bohr model is 1.323 nm. Find the de Broglie wavelength of the electron under these circumstances. What is the momentum, mv, of the electron in its orbit?
*April 22, 2014 by Anonymous*

**physics**

(a) A hydrogen atom has its electron in the n = 5 level. The radius of the electron's orbit in the Bohr model is 1.323 nm. Find the de Broglie wavelength of the electron under these circumstances. (b) What is the momentum, mv, of the electron in its orbit?
*April 23, 2014 by jake*

**BUS 323**

I need assistance in locating information on the following. I do not have the textbook. Identify reasons why a person would be interested in being ethical, and classify those reasons in terms of whether they represent moral motivation or economic motivation
*September 13, 2011 by CHASE*

**Math**

The annual precipitation for one city is normally distributed with a mean of 329 inches and a standard deviation of 2.6 inches. Find the probability that a randomly selected year will have more than 323.8 inches of rain. Express the probability as a decimal. ??
*September 20, 2015 by jackie*

**physics**

While standing on top of a 323 m tall building, you see Iron Man flying straight down toward the ground at a speed of 35.0 m/s. Just as he passes you, you drop a can of Dr Pepper off the roof. How fast is the can going when it passes Iron Man?
*September 24, 2015 by niro*

**math**

the willis tower is 1453 feet tall. it is 323 feet taller than the john hancock building. write and solve an equation to find the height of the john hancock building?
*February 3, 2015 by rainbow dash*

**Physics**

A bicyclist on an old bike (combined mass: 96 kg) is rolling down (no pedaling or braking) a hill of height 103 m. Over the course of the 278 meters of downhill road, she encounters a constant friction force of 323 Newton. If her speed at the top of the hill is 7 m/s, what is...
*October 31, 2010 by Layla*

**chemistry12_2016-4**

Phosphorus(III) chloride, PCl3 is used in the manufacture of pesticides. It is made by the direct combination of phosphorus & chloride. Calculate the mass of PCl3 produced when 125 grams of P4 was allowed to react with 323 grams of chlorine gas?
*March 27, 2016 by Anonymous666_4*

**statistics**

Finish times (to the nearest hour) for 59 dogsled teams are shown below. Draw a histogram. Use five classes. 261 269 236 244 280 296 284 297 290 290 247 256 338 360 341 333 261 267 287 296 313 311 309 309 299 303 277 283 304 305 286 290 286 287 297 299 332 330 309 326 309 326 ...
*December 19, 2010 by Kim*

**Chemistry**

When installed in the year 1,985, a cobalt-60 radiation therapy source (k = 0.131 yr-1) produced a beam capable of delivering 323 rem per minute (a unit to describe the beam intensity). What is the beam intensity (in rem/min) in the year 2007?
*March 25, 2008 by Andrew*

**Physics**

In an historical movie, two knights on horseback start from rest 79.7 m apart and ride directly toward each other to do battle. Sir George's acceleration has a magnitude of 0.323 m/s2, while Sir Alfred's has a magnitude of 0.252 m/s2. Relative to Sir George's starting point, ...
*April 7, 2015 by Sandra*

**political science- PHL**

hello can u help me please? write a few words about Machiavelli, Locke and how they are relevant today? John Locke is another philosopher who is considered as relevant today for some of his ideas he expressed. His writings were a great influence to the founders of United ...
*December 1, 2012 by jenny*

**chemistry**

this is my class data list of total heat (KJ) vs Mass of biodiesel fuel burned: Heat of combustion: 24948 J 606.48 J 35933.3 J 26763 J 24062.5 J 29400 J 6972 J Mass: 0.39 g 0.31 g 0.18 g o.43 g o.36 g o.28 g 0.34 g Heat absorbed: 9.729 KJ 1.9564 KJ 11.51 KJ 6.468 KJ 11.6 KJ 8....
*March 18, 2008 by Jonathan T*

**Math**

A certain school’s enrollment increased 5% this year over last year’s enrollment. If the school now has 1,260 students enrolled, how many students were enrolled last year? A. 1,020 B. 1,197 C. 1,200 D. 1,255 E. 1,323 I got the answer to be 1200, but that's after I checked each...
*October 9, 2013 by Anonymous*

**Algebra**

A 5 digit positive integer is a "mountain number" if the first 3 digits are in ascending order and the last 3 digits are in descending order. For example, 35 761 is a mountain number, but 32 323 and 35 655 are not. How many 5 digit numbers greater than 70 000 are mountain ...
*April 2, 2011 by Jack*

**Trig**

A force of 323 newtons makes an angle of 54 degrees and 20 minutes with a second force. The resultant of the two forces makes an angle of 39 degrees forty minutes with the first force. Find the magnitude of the second force. I have the answer, 814.3022, but I need to know how ...
*October 19, 2010 by Brittany*

**Physics help!**

A box of books weighing 323 N is shoved across the floor by a force of 477 N exerted downward at an angle of 35° below the horizontal. (a) If μk between the box and the floor is 0.51, how long does it take to move the box 4.80 m starting from rest? (b) What is the maximum...
*September 28, 2011 by Bridge*

**math PLEASE HELP!!!!!**

Rectangular Prism: Length: 41 ft Width: 32 ft Height: 49 ft 1. Find the surface area for the given prism. (1 point) 7,154 ft^2 2,624 ft^2 9,778 ft^2 8,432 ft^2. Find the volume of the same prism. (1 point) 64,288 ft^3 31,312 ft^3 32,009 ft^3 323,208 ft^3 i know the formulas ...
*April 9, 2014 by TTR+S<3*

**Algebra**

Josh and Racquel sold cookies and brownies at the math club bake sale. The cookies cost $0.47 each, and the brownies cost $0.60 each. They sold a total of 603 items (cookies and brownies) and raised $323.84 Write a system of equations and determine the number of cookies sold ...
*March 25, 2012 by Katy*

**history - greece**

essay question is: the golden age of classical greece (500-323 BC) is the first great age of humanism in the evolution of western civilization. if this is true, how might we account for its development in the greek renaissance (800-500 BCE)? Show how the greek humanism has ...
*October 10, 2007 by JJ*

**science**

A hot air balloon descends from a pressure of 380 mm Hg to 760 mm Hg and at the high altitude has a volume of 1,000 cubic meters. If the temperature starts at 50 degrees C and changes to 25 degrees C, the new volume will be: a. 100.0 x 50 x 760/25 x 380 b. 100.0 x 50 x 25/760 ...
*October 4, 2013 by pat*

**Chemistry**

A sample of nitrogen gas is confined in a 8.494 L container at 2.643 x 102 torr and 50 oC. How many moles of gas are present in the sample? So I thought I set this problem up right and when I type the answer into CALM my answer is incorrect. This is what I did: PV=nRT (2.643 x...
*January 20, 2014 by Cassie*

**Science**

A sample of nitrogen gas is confined in a 8.494 L container at 2.643 x 102 torr and 50 oC. How many moles of gas are present in the sample? So I thought I set this problem up right and when I type the answer into CALM my answer is incorrect. This is what I did: PV=nRT (2.643 x...
*January 20, 2014 by Cassie*

**calculus help**

At time t=0, an astronaut stands on a platform 3 meters above the moon's surface and throws a rock directly upward with an initial velocity of 32 m/sec. if the acceleration due to gravity is 1.6 m/sec^2. a) find the equations of motion for the throwing of this rock. -1. a(t)=-...
*April 25, 2014 by Anonymous*

**Statisics **

I need help on this question i am confused. I don't think the answers i got are right The library checks out an average of 320 books per day, with a standard deviation of 75 books. Suppose a simple random sample of 30 days is selected for observation. What is the probability ...
*February 20, 2011 by Mike*

**political science- PHL**

is it a comprehensive answer? Machiavelli (in terms of political philosophy) Machiavelli was an Italian philosopher. A famous book he wrote is ‘The Prince’ which still have impact to today’s politics. It is about the rise and fall of states and what the leader can do in order ...
*December 1, 2012 by jenny*

**Binomial and Poisson distribution **

A machine produces ribbon in which flaws occur randomly at an average rate of one flaw in 100m. Find the probability that there are 3 or more flaws in a randomly chosen 200m of ribbon. Find the length of ribbon such that the probability that it contains no flaws is 0.001. ( Is...
*June 1, 2013 by Kelvin*

**Stats 330- HELP **

I need some help on this question it has two parts but i can't figure it out. Can someone help me. The NDSU library checks out an average of 320 books per day, with a standard deviation of 75 books. Suppose a simple random sample of 30 days is selected for observation. What is...
*March 10, 2011 by John*

**s.studies**

i want info on rampurva bull capital with pics For info, look for the article "106 Bull Capital Rampurva Maurya 323 - 185 BCE " in the website http://www.public.iastate.edu/~tart/arth382/lecture5.html For a picture of it, see (Broken Link Removed)
*August 4, 2006 by mustafa*

**Art History. HELP!**

1. Which item listed below is NOT a way to determine the age of piece of pottery? a. To examine the style in which it is painted b. Consider the use of color in both design and background c. Examine the shape and uses of a piece d. Consider the size of a piece 2. What pattern ...
*February 18, 2015 by Abbi*

**chemistry**

i keep trying to do these problems and i don't understand them. please help me!! 1. Gas stored in a tank at 273 K has a pressure of 388 kPa. The save limit for the pressure is 825 kPa. At what temperature will the gas reach this pressure? A. 850 K B. 925 K C. 580 K D. 273 K 2...
*October 10, 2008 by Please Help!*

**statistics**

The response of a sample of 1620 people who were asked if the air quality in their community is better or worse than it was 10 years ago are shown below. Find the mean, median, and mode of the data. Better: 323, Worse: 333, Same: 420 Question: Find the mean. Answer: There is ...
*April 26, 2010 by looking for someone to varify my work please*

**Physics**

A comet is traveling towards the earth. The comet has a mass of 5.50E+12 kg and a radius of 323 m. The comet is traveling with a speed of 13.5 km/s and spinning with a period of 0.15 seconds when its center is a distance 2.28E+7 m away from the center of the earth. The comet ...
*October 31, 2011 by Jerry*

**Math question**

How do you find the p-value, on a problem like below. The corrosive effects of various soils on coated and uncoated steel pipe was tested by using a dependent sampling plan. The data collected are summarized below, where d is the amount of corrosion on the coated portion ...
*June 25, 2013 by Tracy *

**gen physics**

A 152 kg boat is at rest in a calm lake at the end of a dock. A 85.6 kg person running down the dock leaps into the boat with a horizontal velocity of 4.58 m/s. Ignore all effects of friction and resistance due to the water. a) Find the kinetic energy of the person before ...
*July 11, 2013 by rodney*

**math**

i really need help with my homework so i can graduate in time. i have only 3 questions that i need help with because math is my weakest subject. so can someone please help me. 1. the formula for converting centigrade temperature to Fahrenheit is F = 9/5 C + 32. what is the ...
*April 25, 2011 by sha'kira*

**math**

Use the data in the following table to compare the number of people living in the United States from 1810 through 1900 and the number living in the United States from 1910 through 2000. Use any form of graphical representation to make the comparison and explain why you chose ...
*April 26, 2010 by crystal*

**math**

Use the data in the following table to compare the number of people living in the United States from 1810 through 1900 and the number living in the United States from 1910 through 2000. Use any form of graphical representation to make the comparison and explain why you chose ...
*April 26, 2010 by crystal*

**math**

Use the data in the following table to compare the number of people living in the United States from 1810 through 1900 and the number living in the United States from 1910 through 2000. Use any form of graphical representation to make the comparison and explain why you chose ...
*April 28, 2010 by crystal*

**(chem) this will make me or break me :(**

1.If the pressure of the gas in a 2.31 L balloon is 0.120 atm and the volume increases to 7.14 L, what will be the final pressure of the air within the balloon? Round to the nearest hundredth. Don't forget the units. 2.At a pressure of 2 atm, hydrogen gas occupies a volume of ...
*May 23, 2013 by ty*

**chem ! help its killing me to :/**

1.If the pressure of the gas in a 2.31 L balloon is 0.120 atm and the volume increases to 7.14 L, what will be the final pressure of the air within the balloon? Round to the nearest hundredth. Don't forget the units. 2.At a pressure of 2 atm, hydrogen gas occupies a volume of ...
*May 23, 2013 by john*

**Biology (Genetics)**

How would you solve these problems? I am confused about what it is asking and how to start it. A step by step process with explanation would be greatly appreciated. Also, are there any simple ways to work out the problems without getting confused, or is there a way to know ...
*September 15, 2015 by Airin*