Critical Thinking/Math
145,758 results, page 76

Psychology
Could someone see if I got any of the questions wrong. I feel that some questions have multiple answers but there is only one that is correct. Please help. thanks a lot Cognitive Development Respond to the following statements using Piaget’s Stages of Cognitive Development 1... 
Decision Making
I am looking for information on (groupthink/devil's advocate). Why I need it. The CEO has been extremely frustrated with what has been occurring within the organization lately. In a recent manager meeting he exclaimed, "Everyone around this place just follows the status quo. ... 
Math
Me and Lisa have the same math homework. And I was wondering what would be the answer to this question and the steps provided to get this questions answer? A preelection survey showed that 2 out of every 3 eligible voters would cast ballots in the county election. At this ... 
Math
Thanks Ms. Sue for givig me the anser of 11,211 for my son's math problem(I have 10 thousands, 11 tens, 12 hundreds, and 0 ones. What number am I?) However, I am still confused and need a little more clarification? I understand place value order. If there are 0 ones, why is ... 
Writing
How can I write my research paper to where my research makes sense? The first thing you have to do is come up with a point. I saw you were asking a lot of questions about the holocaust (I assume this is the same Brooke), so assume this is what you're writing on? What, exactly... 
Math
Hello. Can someone help me? I'm not very sure about some of these :( Stephen read a 90page book in 6 days. If he continues reading at that rate, how long will ittake him to read a 300page book? Answer: 20 days. I found this by doing 90/6=15, and then 300/15=20. Mrs. Walters ... 
Hello? My math question was ignored?
My math question was ignored! 
5th Grade Math
I am a mom trying to help my child with their math HW. But this question has us stumped. I've seen it posted before but no real explanation was offered. Please provide EXPLANATION, not just answers. Q: Make up a list of data with the following landmarks: Mode: 15 Min: 5 Median... 
Math (Earning Money)
I know that calculating overtime rate for time and a half is 1.5 and double time is 2 and triple is 3 and so on... however my HW math question said "he is paid DOUBLE TIME AND A HALF on Saturdays..." So what number will I multiply with the number of hours and normal pay rate ... 
Math equation
The Congress of the United States signed the Declaration of Independence in 1776. Find the difference in years between the year that the Congress signed this document and the year that you were born. I was born 2003. Is this right? y  1776 = 2003 or 2003  1176 = y 6th grade ... 
psychology
A researcher predicts that listening to music while solving math problems will make a particular brain area more active. To test this, a research participant has her brain scanned while listening to music and solving math problems, and the brain area of interest has a ... 
factoring
I cannot figure these out.Can someone Factor completely: 3x2  x  4 I suppose this is actually 3x^2 x4 If so: (3x4)(x+1) Now I'd like you to look at the following website: http://tutorial.math.lamar.edu/AllBrowsers/1314/Factoring.asp 
math
What is the mean of the scores for Bob? _____ Team  Bowling Scores Member  Game 1  Game 2  Game 3 Bob  92  118  105 Craig  127  101  96 Kim  131  128  122 Nancy  127  109  115 Phillip 113  109  122 what is mean in math again? 
MATH
Joe puts 5 books in his backpack as he leaves for school. He has 2 math books, 1 science book, and 2 history books. What is the probability that he will grab his science book out of his backpack without looking? I think 1/5 Jacquie has 4 sweaters that go with her new jeans. ... 
math
Joe puts 5 books in his backpack as he leaves for school. He has 2 math books, 1 science book, and 2 history books. What is the probability that he will grab his science book out of his backpack without looking? I think 1/5 Jacquie has 4 sweaters that go with her new jeans. ... 
math
a math test consist 20 multiple choice questions. 3 points are awarded for a correct answered. 1 point is deducted for a wrong answer. no points are awarded or deducted for an answered questions. jenny attempted a total of 19 questions and her total score is above 32. find the... 
Math
The density if a sample is 5.8g/cm^3. the sample fills a cylindrical container whose hieght is 10.2 cm and whose radius is 4.3cm Find the mass of the sample. Mason, I'm sure the reason you haven't received any responses yet is that you haven't indicated what YOU think the ... 
math, algebra II
Can someone explain to me step by step how the book got to this answer i want to understand the steps....thanks Find the inverse, if it exists,for the matirx (*I used the underscore to separate the numbers within the matix) 2_1_3 3_1_2 4_2_0 the answer is: 4_6_5 8_12_13 ... 
math
Posted by mota THE MASS OF THE SUN IS ABOUT 10^27 METRIC TONS , OR 10^30 KILOGRAMS . HOW MANY KILOGRAMS ARE IN ONE METRIC TON ?  math  drwls 1000.  explain please i want to understand this question :) this is my question i posted ... 
Math
Have trouble with math mixtures problem!! AT a family reunion, the average age of all those present was 45 years. If the two oldest people, aged 86 and 84 years, had not been present, the average age would have been 41 years. How many peoeple were at the reunion. 
Critical Thinking
Hello, Im new here and im having problems with my homework. I need to do these two things for different sources and i find it next to IMPOSSIBLE to find these... Identify and name any rhetorical devices used by the author. If none exist, explain how you determined this. ... 
Math
It took Esteban 1 hour and a half to complete his math problems for homework. He spent 3 to 5 minutes working each problem. Which is a reasonable number of problems that Esteban completed for homework? A.10 B.12 C.15 D.20 D? Shaquille O' Neal height measures 85 inches. The ... 
Math vocab
What does distance/time/rate of speed mean?? Its all one word AND IM SOO CONFUSED! Movement? I am confused also. Rate of speed is not a common term. Speed is rate of motion , or rate of change of distance per time. i need help on my math vocab what is a sector What is the ... 
math
kelly solved the following problem on her recent math test 121/11+4*8=120 the answer was marked wrong by your teacher and kelly is asking you to explain why she missed the promblem.whicthsolutions would you tell her A.divide 121 by 11,multipy 4 by 8 then add the two totals. B.... 
math
The MathIsFun Tshirt Company manufactures and sells screenprinted tshirts. The fixed costs of operation for the company are $75,750 per month. Tshirts are sold to wholesale buyers for $8.99 each, but only cost the company $3.20 each to produce. If the Tshirt Company ... 
Entrepreneurship
You just received an email from your high school friend, Bill Hudson. You went to college, and then business school, while Bill stayed in your home town. Despite the differences in your paths, you are still very good friends. Bill is considering a lifechanging opportunity and... 
Math
Groups in math class have 4 green marbles, 6 yellow marbles, and 10 black marbles. Each group pulls out a marble, records it, and then replaces it 50 times. The class complies its data. how many times can you expect to pull out a green marble with 1000 pulls? 
LAnguage arts
Are these correct Neither Jake nor Sue gets seasick. Are Jake and they ready with their math project? Every one of the students I spoke to said he/she liked his/her math class. If a person loses his/her jacket, he/she can check the lost and found. Each of the boys likes to go ... 
Physical science
1. Which of the following frequencies falls in the range of RF wavws used by commerical radio broadcasting stations a. .60 HZ b. 6,00 HZ c. 600.00 HZ d. 6,000,000 HZ 2. In a cathrode ray tube, the number of electrons that reach the fluorescent screen is controlled by the a. ... 
Math
It takes Jaiden 5 and 3/4 hours to do her homework each week. It takes her 2 and 3/4 hours to complete her science and 1 and 1/2 hours to complete her math homework. How long does it take her to complete Social Studies homework? Use the numbers and symbols, listed below, to ... 
math
Cece scored a 78 on her first math test. She scored an 84 on her second test. What is the percent increase, rounded to the nearest tenth, from Cece's first score to her second score? 
Math
A student opened her math book and computed the sum of the numbers on two pages. Then, she turned to the next page and computed the sum of the numbers on those two facing pages. Finally, she computed the product of the two sums, and her calculator displayed the number 62,997. ... 
math
Could someone please check my math questions? any help will be greatly appreciated! 4. Solve: 52x + 1  = 55 Divide both side by 5: 2x+1=11 2x+1=11 and 2x+1= 1 +1 +1 +1 +1 2x = 12 2x = 10 X=5 x=6 What my teacher said was wrong~~ 2x+1=11 and 2x+1= 11 YES, for both of ... 
Geometry/Math
Judy lies on the ground 45 feet from her tent. Both the top of the tent and the top of a tall cliff are in her line of sight Her tent is 10 feet tall. About how is the cliff? Assume the two triangles are similar. Postscript: The distance from the tent to the cliff is 400 feet... 
english check answers
France is one of the most popular tourist destinations in the world, and I discovered a few of the reasons why so many people visit the country during a recent excursion. While in France, I visited numerous worldfamous landmarks such as the Eiffel Tower and the ChampsÉlysé... 
math
Anxious Billy Bob pulled out his math recording sheet and saw the following scores 54,62,65,68,70,70,78,82,84 A. He want to calculate his average.Which measure of center is the average?compute it ? I have this :The measure of center is the average, mean 633/9=70.33=about 70% B... 
science(chem&statistics)
I have to write a abstract for my paper I was wondering if it was better to write it at the beginning or the end of the lab report. If I was to eliminate 1 value as an outlier would I go and include that in calculations of the RSD? I would assume not since It would affect the ... 
Math/Science(Short Question 10th grade))
[History Homework] Please answer 1. What are 2 pieces of technology essential today? 2. If you could give a prehistoric person one item from today what would it be? 3. Why is writing important for civilizations? 4. Why is theater/drama important to society? 5. What are some ... 
math
I asked sue a question yesterday and don't understand the answer can you explain? Here what it was I think this question has a typo because none of the multiple choice answers fit. The question is which of the following values is in the solution set of inequality 87x<6? A... 
accountig
Continuing Cookie Chronicle 1 Continuing Cookie Chronicle (Note: This is a continuation of the Cookie Chronicle from Chapters 1 through 7.) CCC8 One of Natalie’s friends, Curtis Lesperance, runs a coffee shop where he sells specialty coffees and prepares and sells muffins ... 
Math
Hi Sorry I'm reposting this question, I think the answer that was provided was not correct because of the ambiguity of the original question but if I could have someone workout the question as written it would be much appreciated: See below discussion. 4x^3y^2 / 2x^1y^4 is ... 
Heeeeeeeelp
Read the following instructions in order to complete this assignment and review the example of how to complete the math required for this assignment: Use the properties of real numbers to simplify the following expressions: 2a(a – 5) + 4(a – 5) 2w – 3 + 3(w – 4) – 5(... 
PHYSICS HELPPPPP
A diver descends from a salvage ship to the ocean floor at a depth of 35 m below the surface. The density of ocean water is 1.025x10^3 kg/m^3. a) Calculate the guage pressure on the diver on the ocean floor. b) Calculate the absolute pressure on the diver on the ocean floor. ... 
math
The average of 5 numbers is 28. What would the 6th number have to be to bring the average up to 30? Anne’s average in math is 92. She wants to raise her average to 93 so she will make an A. she is taking a test on Friday. What score will she have to make on the test to raise... 
Math 7th grade
I have a question on math if I start to look for a object hidden by making the center of a field as (0,0), with coordinates giving distances in yards. Coordinates to the north or east are positive and coordinates to the south or west are negative. And I find nothing at (12,8... 
math
An advertisement states that eight thermometers cost $12.42 minus a 3% discount. Dr. wants to order a dozen to take advantage of the savings, sales tax is 5%. What would the cost be? Is my math right? I divided 8 by $12.42 and got $1.55 p/thermometer. 12*$1.55 would cost $18.... 
MathStatisticsplease doublecheck my answers
In the fall of 2000, 54% of the almost 34,000 firstyear students attending one of the California State Universities had strong enough math skills to take an entry level course. 1)Based on a sample of 20 students, can we assume our calculations will be accurate? My answer is: ... 
math
(1 point) Calculate the mean and median of the following grades on a math test: 97, 88, 89, 86, 83, 80, 78, 74, 64, 62, 49 Mean = Median = Is this data set skewed to the right, symmetric, or skewed to the left? (Enter "SKEWED RIGHT", "SYMMETRIC", or "SKEWED LEFT"); 
math,help
can someone help me with this i am lost now i've been doing math for the past 8 hrs. Problem # 1 solve: 4(x10)3x=x40 Problem # 2 solve for t: a = p + prt Problem#3 translate to an algebraic equation 7 less than the quotient of a number and 3 is twice the same number problem... 
Math 7  NYS Math Exam Review  Book 1 (HW)
C = 2nr!?!??!??! Since the NYS Math Exam is coming up (in my district in my school we have it next week). You see in my class were not done with our geometry and ratio, proportion unit and plus we are missing one unit: algebra. We didn't get to solving the formulas. Ratio and ... 
Math
Each day Julia's math Teacher gives class a warm up qs. It's true/false 20% of the times and multiple choice 80% . Julia gets 70% on true false correct and 90% on multiple choice correct. Julia answered today's question correctly. What's the probability that it was a multiple ... 
English
I had to place these statements in the Fallacy Types I thought they belonged in. Did I do this right or am I completely wrong here? Fallacies are confusing.Thanks Everyone Ad hominem/genetic 7. I don’t care if she is the top psychiatrist in the state! Her theory on sibling ... 
Math
Please help me with this math problem. A woman is given a loan of $20,000. for 1 year. If the instrest charged is $800, the was was the intrest rate on the loan? To get the answer I set the problem up like this: R= 800/20,000= 25(1/100)= 25/100= 25% but I know this cant be ... 
Math
I have a math sheet for homework and most questions are similar to the following: Bob is making treat bags for his daughter's birthday party. he decided to use the recipe below for each bag. 1/3 cup peanuts 3/4 cup pretzels 1/5 cup raisins 2/3 cup popcorn He needs to make to ... 
math 115
1. sabrina has the following math quiz scores. 19, 24, 25, 17, 13, & 18. find her mean score, to the nearest tenth if necessary.= 13 is this correct? 2. eleven applications for a certain position had the following ages. 32, 33 ,25, 36, 48, 51, 28, 23, 54, 52, 45. what was the ... 
math
need help with math word problems. just don't understand. What is the number? you have a four digit number where the thousands digit is four greater than the hundreds digit.The tens digit is twice the thousands digit. The ones digit is half of the thousands digit. What is the ... 
MATH 115
I have math questions I need to check my answers can you please help me 1. 4x4x4x4x4 as a power of 4 answer 4 to the fifth power 2.a bedroom is 10 ft by 11 ft what is the perimeter? answer 42 ft evaluate 72/89/3=6 3.Jamal is fencing a rectangular field that measures 25 ft by ... 
Calculus
What is wrong with the following reasoning??? f(x) = 2^x f'(x) = x[2^(x1)] Although n x^(n1) is the derivative of x^n, you cannot apply similar rules when x is the exponent and the number being raised to a power is a constant. The derivative of b^x, where b is a constant, is... 
MATH
I have 2 questions the first I have narrowed down to 2 possible solutions the second has 3. What is the solution to log sub 5 (2x+3)=2 a)13/2 or b)14? The next problem f(x)= log sub 5 x what is the value of 1/25? a)square root of 2 b)1/2 or c)1/2? Help is greatly appriciated... 
English
1. Can you help me with this? 12. Can you help me do this? (Are both the same?) 2. Can you help me with cleaning the room? 3. Can you help me about cleaning the room? 31. can you help me clean the room? 33. Can you help me on cleaning the room? (Are they the same? Can we ... 
math ms sue please help
Last summer, 150 students attended the Apollo Math Camp, of whom 96 were girls and 54 were boys. Also, 68 were 7th graders and 82 were 8th graders. How many 8thgrade boys attended the camp if 40 of the girls were 7th graders? 
math
The area of a plot of land is 2496 square meters. A small part of the land is fenced. The ratio of the area of the plot of land to the area that is not fenced is 48:31. What is the area of the land that is not fenced? (5th grade math) 
math exponents
x to the  power x to the fraction power x to the fraction power how are they different? 22=1/22=1/4 21/2= sqrt 2 = 1.414 21/2=1/21/2=1/1.414=0.707 math is really gay u no what is the historical facts on exponets 
Early Child Ed.
Would you please help with this question? (These questions that asks which is "NOT" really confuse me)!! Which one of the following is usually an effective way to stop disruptive behavior that is NOT harmful to the child or others? A) Remove the child from the group ... 
math
did you know when you try to find the least commen multiple of 3 numbers you have to divide by two after you get your answer my class (ms.lott in texas) told us that for some reason its doubling the number so always divide by two once you have crossed out the commen numbers ... 
Math
How do you solve a double sided variable? I am not sure what you are asking. Even so, since this is not my area of expertise, I searched Google under the key words "'double sided variable' math" to get this possible source: http://en.wikipedia.org/wiki/Math_24 I hope this ... 
Math
A company is increasing production at the rate of 25 units per day. The daily demand function is determined by the fact that the price (in dollars) is a linear function of q. At a price of $70, the demand is 0, and 100 items will be demanded at a price of $60. Find the rate of... 
Math
16.Eliot spent 24 minutes solving 8 math problems.At that rate, how many math problems can he solve in 54 minutes? a.12 B.16 C.18 D.24 A? 17.Ronald got 92% of the problems correct on a test.Which number could also represent 92%? A.9.2 B.0.092 C.9/2 D.46/50 D 18.Lakeshmi made a... 
Language Arts
civil Disobedience Part 2: Thoreau’s ideas had a profound effect on a man named Gandhi. Gandhi, was a leader in India who worked to end British rule. He led India to independence and inspired many to nonviolent forms of protest and resistance. He fought to end poverty, ... 
math
I have a math question for my cell biology class. A molecule exchanges places with its neighbor every 10^7 seconds. It will diffuse from one end of a 2 micrometer cell to the other in 1second. Ok now I have a 6M x 6M room filled with 4cm ping pong balls. I have to determine ... 
Math  Algebra 2 some1 plz help?
in a certain math class, each student has a text book, every 2 students share a book of tables, every 3 students share a problem book, and every 4 students share a mathematics dictionary. If the total number of books is 75.. how many students are in a class? how many students ... 
Math
On Tuesday, Leslie spent 47 minutes on math homework, 39 minutes on science homework, 52 minutes on English homework, and 44 minutes on history homework. How much time did Leslie spend doing her homework on Tuesday? 
Math
I am a four digit number, I am between 2,000 and 3,000 the digit in the ones place is four times as much as the digit in the thousands place. Only one of the digits are the same. The digit in the tens place is one more than the digit in the hundreds place. All of the digits ... 
math
How do you rotate an object in a graph?? It depends on what point you are rotating the plot. The math is somewhat advanced, so I don't know your level. i just need to rotate it..like 180 and 90.... Ok, rotating about the origin. For ninety degrees, counter clockwise, the old x... 
Philosophy
I have to write an essay (1000 words) on Niezsche (explain the phrase 'God is dead'). So far I have nearly 600 words. I am struggling with it though now. Here is what I have written: Friedrich Nietzsche was a German philosopher of the 19th century. He wrote many critical texts... 
psychology
# 1.21 (1 pts.) William is acutely retarded and requires intense care. His IQ has been measured at approximately 15. What term would be used to classify William's level of retardation? A) mild B) moderate C) severe D) profound # 1.22 (1 pts.) Shannon has been diagnosed with ... 
math math
Translate to an equation: p $25 potted plants and s $20 shrubs total $300 Graph the equation and use the graph to determine three different combinations of potted plants and shrubs that total $300 
history
the Puritan dilemma 1. Englishmen rejoiced when Henry VIII turned his back on the Pope because now they felt they would be free to join the Protestant Reformation and gain a purer church. A) True B) False 2. Puritan's believed that marriage came before God. A) True B) False 3... 
math
If 8 people went to a party and each person shook hands at least one time. how many total hand shakes would there be? Think about how many people the first person would shake hands with, how many people the second person would shake hands with, and so forth. THANK YOU FOR YOUR... 
math help
could some one please explain to me reciprocal how to find the reciprocal my math home work says find the reciprocal of (1/8)(13/2)(4) reciprocal you change over so is the 1/8 8/1 or would it be 8/1 13/2 would be 2/13 4 would be 4/1 then 1/4 then i would multiply all ... 
Math
Abby can buy an 8 pound bag dog of food for $7.40 or a 4 pound bag of the same dog food for $5.38. Which is the better buy? My answer: I would have to say to buy an 8 pound bag of dog food. I am confused though if they are asking what math operation to do. Please assist me if ... 
Math
Part C Two days later, Kelly surveyed the same 13 classmates and found that none of them had been given math homework since she last surveyed them. By how much does the mean of Kelly’s second data set change in comparison with the mean of the data set in her original survey... 
science(chem) Dr.Bob> need help on this long lab
For 1 part of the lab I: prepare 4Bromo2chloro6iodoaniline I dissolve 250mg recrystallized 4 Bromo2chloro6iodoaniline in 4ml of glacial acetic acid in 25ml erlenmyer flask and add 1ml water to the mixture. Then I prepare a solution of 250mg technical iodine ... 
math,mathguru
you asked me about how did i came up with my answer this is what i did: Write each fraction in simplest form. #18 (5x^3y^3)/(20xy^4) = (3X(5)X(x)X(x)X(x)X(y)X(y)X(y))/(2X2X(5)X(x)X(y)X(y)X(y)X(y)) = after canceling the common terms top and bottom i am left with = 3 and 2 ... 
English Check please
The High School Step Team Karla’s cousin Jade urged her to join the step team. “This afternoon you should definitely try out!” Jade suggested after the final bell rang. “I know she wants the best for me,” Karla thought to herself, “but I’m not sure I’d be any ... 
Math
1.how many different permutations can you make with the letters in the word s e v e n t e e n ? 2.a teacher has a set of 12 probelms to use on a math exam. the teacher makes different versions of the exam by putting 10 questions on each exam. how many different exams can the ... 
Math
Ms. Pacheco, Mr. Edwards, and Mr. Richards are three math teachers at Turner Middle School. Ms. Pacheco is three years older than Mr. Richards. Mr. Edwards is twice as old as Mr. Richards. The sum of Mr. Richards’ age and Mr. Edwards’ age is 81. How old is each person? 
Pre algebra
How do I complete each ORDERED PAIR solution to the given equation? y=x+9;(4),(9),(0) I looked up math ordered pairs at www.google.com, and these are the results. There may be a site in here with an explanation to help you. http://www.google.com/search?q=math+ordered+pairs&... 
Math
I have three math problems that I have tried to solve but I do not think they are correct. Can someone please help me! 1. What is the product of 225 and 507? I came up with 225 x 507 = 114075 2. Divide by moving the decimal point. 10.5 ÷ 100 I came up with 0.105 to be the ... 
English
1. He solved two math questions with ease. 2. He solved two math problems with ease. 3. He solved two mathematical problems/questions with ease. (Are all the same? Which one is commonly used?) 
Math
You have a Spanish club meeting every fourth day and a math club meeting every tenth day. When is the first time they will meet on the same day? My Answer: 4 + 10=14 they would meet on the 14th day Would that be the correct answer? I am confused. 
math
*The value of the zscore in a hypothesis test is influenced by a variety of factors. Assuming that all other variables are held constant, explain how the value of z is influenced by each of the following: a. Increasing the difference between the sample mean and the original ... 
Math
To play a game you spin a spinner like the one shown. You win if the arrow lands in one of the areas marked "WIN". Lee played this game many times and recorded her results. She won 8 times and lost 40 times. Use Lee's data to explain how to find the experimental probability of... 
math
help please find the greatest common factor of 385 and 1365. 385=5x7x11 1365=3x5x7x13 now which factors do you see common? 5x7 or 35 Here is what I had 385=5x7x11 1365=3x5x7x13 5x7=35 is this correct yes, exactly how I showed you thank you yes your math is correct 
Math
Hi. I found this question on a Math Counts practice test and it seriously confused me. I've never learned about this, and it would help if someone helped me. Thanks in advance. How many elements are in the intersection of the set of all the prime numbers less than 30 and the ... 
Chemistry thanks
Hi,there was an error with the procedure. 1.0g NaOH sample was dissolved in 5ml of water and acidified with 4ml of conc. nitric acid,not dilute nitric acid. This was then made up to 15ml with water.After acidifying with conc. nitric acid instead of dilute nitric acid, no such ... 
Math
I need help with these three math question. 1st question. What is the additive inverse of 5 on the 12hour clock? 2nd question. What is the equivalent number on the 12hour clock. 22 the choices for this question is, 5 or 2 or 3 or 1. 3rd question. I need to find the additive... 
Math
the average score on a math test for 16 students was 66. six more students took the test. the average of the six was 74. What was the average of all of the students? 
emglish
Bravery in Beowulf Create a narrative poem in the Anglo saxon style of beowulf,is this right Bravery is like a very trusted friend, it will never let you down. That statement holds true in the great epic of "Beowulf." "Beowulf" is the story of a great hero who comes to the aid... 
Math, Science, Writing, Language, Test Preparation
I was wondering can I receive website to help me prepare for vocabulary, geometry, chemistry, PSAT, SAT, and ACT Thanks Study skills are number one, as far as I can see. Subject areas are included in these sites, too: http://www.studygs.net/ http://www.d.umn.edu/kmc/student/...