Friday

December 19, 2014

December 19, 2014

Number of results: 94,393

**Chemistry**

I just took my Chemistry midterm, and would like to know how to calculate my grade on the midterm with the curve. MEAN = 8.9 STANDARD DEVIATION = 2.9 MY SCORE = 7 Thank You!
*October 12, 2010 by Anonymous*

**Chemsitry**

I just took my Chemistry midterm, and would like to know how to calculate my grade on the midterm with the curve. MEAN = 8.9 STANDARD DEVIATION = 2.9 MY SCORE = 7 Thank You!
*October 12, 2010 by Anonymous*

**math help plz**

You receive 80% on your first midterm while your friend receives 70%. Taking into consideration the fact that the first midterm is worth 14% of your overall mark, the difference (between receiving 70% and 80% on your midterm) this could make in your final mark is? How would I ...
*September 19, 2010 by May*

**9th grade HEALTH**

MY QUESTION IS ABOUT HEALTH... I HAVE A MIDTERM DUE MONDAY 01/26/2009.. AND I REALLY DONT KNOW HOW TO START IT I HAVE TO USE I,ME,MY STATEMENT ONLY... HOW CAN I START MY MIDTERM??..PLEASE HELP!!??
*January 24, 2009 by SARAH*

**statistics**

In a large class, there were 220 students who wrote both the midterm and the final exam. The standard deviation of the midterm grades was 14, and that of the final exam was 20. The correlation between the grades on the midterm and the final was 0.60. Based on the least squares...
*September 22, 2012 by ashik*

**English**

Hello all. I speak very little of english. My teacher emailed me this and I wan't to make sure I understand correctly. [The final exam will only cover material since the midterm.] this means that final exam will ONLY cover what we learned after midterm?? so i should be ony ...
*December 4, 2012 by Shabihi*

**Math**

Professor Smith gives only a midterm exam and a final exam. The average is computed by taking 1/3 of the midterm exam score and 2/3 of the final exam score. To get a “C” or better students must have at least 70 semester average. If Laura scored only a 59 on the midterm, what ...
*June 3, 2013 by Zay*

**College Algebra**

Matt scored 75 on the calculus midterm. If the final exam counts twice as much as the midterm exam, then for wht range of scores on the final would Matt get an average between 81 and 92?
*September 25, 2011 by Ty*

**statistics**

Suppose the amount of time it takes for statistics students to complete their midterm is normally distributed with a mean of 85.70 minutes and a standard deviation of 22.55 minutes. If 10 students are randomly selected, what is the probability that they would average less than...
*October 24, 2011 by Emily*

**AP Statistics**

Maria and Zoe are taking Biology 105 but are in different classes. Maria's class has an average of 78% with a standard deviation of 5% on the midterm, whereas Zoe's class has an average of 83% with a standard deviation of 12%. Assume that scores in both classes follow a normal...
*January 9, 2009 by Peter*

**Statistics**

Maria and Zoe are taking Biology 105 but are in different classes. Maria's class has an average of 78% with a standard deviation of 5% on the midterm, whereas Zoe's class has an average of 83% with a standard deviation of 12%. Assume that scores in both classes follow a normal...
*January 9, 2009 by Peter*

**AP Stats**

Maria and Zoe are taking Biology 105 but are in different classes. Maria's class has an average of 78% with a standard deviation of 5% on the midterm, whereas Zoe's class has an average of 83% with a standard deviation of 12%. Assume that scores in both classes follow a normal...
*January 9, 2009 by Peter*

**Algebra II**

Maria and Zoe are taking Biology 105 but are in different classes. Maria's class has an average of 78% with a standard deviation of 5% on the midterm, whereas Zoe's class has an average of 83% with a standard deviation of 12%. Assume that scores in both classes follow a normal...
*January 10, 2009 by Bob*

**Chemistry**

I'm having a hard time getting started studying for my chemistry midterm. i'm kind of overwhelmed. my teacher gave me a brief study guide, but where would be the best place to start? are notecards effective for studying chemistry?
*January 12, 2008 by Catie*

**chemistry 1st year, for midterm help**

Hi, Can any1 help with theses questions. I need to solve these because there will be similar questions on the midterm for me, coming week. Btw I have tried few. 1. How many milliliters of a 15.0%, by mass solution of KOH (Aq) ( d= 1.14g/mL ) are required to produce 27.0 of a ...
*February 11, 2009 by ur class fella*

**math**

The scatter diagram of midterm scores and final scores in a large class is football shaped. For about 80% of the students, the regression estimate of final score based on midterm score is correct to within 15 points. For about 95% of the students, the regression estimate of ...
*March 28, 2013 by eh*

**statistics**

The scatter diagram of midterm scores and final scores in a large class is football shaped. For about 80% of the students, the regression estimate of final score based on midterm score is correct to within 15 points. For about 95% of the students, the regression estimate of ...
*March 27, 2013 by Anonymous*

**CHemistry- MIDTERM TODAY PLEASE HELP**

Hey i have a question regarding disproportionate reactions: Permanganate ions MnO4 reacts with oxalic acid, H2C2O4 in acidic aqueous solution, producing manganese(II) ions and carbon dioxide. The skeletal equation is MnO4^-(aq)+ H2C2O4(aq)--> Mn^2+(aq)+ Co2 (g) balance this...
*October 17, 2008 by Sara*

**Coterminal Angles**

I need help with this.. it's for my midterm review. My midterm is next week. I would appreciate the help. Determine two coterminal angles (one positive and one negative) for each angle. The answer must be in degrees. a) 36 degrees b) -120 degrees c) 300 degrees d) -420 degrees
*January 6, 2008 by Joe*

**Geometry**

The following scores on the midterm exam in Chemistry 102 were recorded: 93 81 59 69 82 73 61 77 95 84 88 71 86 97 63 72 89 80 60 98 91 62 78 83 76 81 94 66 83 96 Find the interquartile range (IQR).
*November 22, 2009 by aleah*

**MATH**

The following scores on the midterm exam in Chemistry 102 were recorded: 93 81 59 69 82 73 61 77 95 84 88 71 86 97 63 72 89 80 60 98 91 62 78 83 76 81 94 66 83 96 Find the interquartile range (IQR). I FORGET HOW TO DO THIS
*November 18, 2009 by JEN*

**math**

The following scores on the midterm exam in Chemistry 102 were recorded, 93 81 59 69 82 73 61 77 95 84 88 71 86 97 63 72 89 80 60 98 91 62 78 83 76 81 94 66 83 96 find the interquartile range. I do not understand this question.
*January 17, 2010 by Christy*

**Statistics help?**

Hi there, I was looking for any assistance or help on how I would go about starting this assignment? Having difficulty understanding it. Thank you in advance. "A stats instructor is interested in investigating time of day his lectures were held on student' test scores. He ...
*November 26, 2012 by Evan*

**Statistics on Psychology**

Hi there, I was looking for any assistance or help on how I would go about starting this assignment? Having difficulty understanding it. Thank you in advance. "A stats instructor is interested in investigating time of day his lectures were held on student' test scores. He ...
*November 24, 2012 by Evan*

**Please help with Chemistry due today**

please help with the questions that I have submitted.
*May 5, 2008 by Chelsea*

**6.002x midterm**

can someone help me with midterm? Q5.1 : 1 Q5.2 : Vil - Vol Q5.3 : Voh - Vih Q5.4 : Vih - Vil Q5.5 : [(Vs*2*Ron)/(VoL)] - (2*Ron) Q5.6 : [VS^2/(RON+RPULLUP)]
*December 7, 2013 by vasw*

**U.S History**

Forming the united States, what were the two plans that arose at the Convention and who were the people responsible for each plan? Just a minute! Have you asked us all your questions? What have YOU done to find the answers? We HELP but we don't DO the work for you! Yes. I'm ...
*January 22, 2007 by COOL*

**math grd 11-midterm tomm**

please explain how do u draw an asymtote ? and whats the diff btwn set and interval notation? and example plz thanks
*April 15, 2010 by just wondering*

**stats**

I am having a bit of trouble with some of the questions. Some of the ones I put below have an answer, is there anyway you can check the answer and help me with the rest I am having trouble with. Your sociology teacher claims that 60 percent of American males are married. You ...
*July 22, 2013 by sandra*

**college statistics**

I am having a bit of trouble with some of the questions. Some of the ones I put below have an answer, is there anyway you can check the answer and help me with the rest I am having trouble with. Your sociology teacher claims that 60 percent of American males are married. You ...
*July 18, 2013 by penelope*

**math**

This isn't a specific math question. I'm just looking for some tips for my calculus midterm tomorrow. I'm terrible at math and I can't seem to "think outside the box" in order to do problems correctly. I know my stuff but if a teacher throws something a little different or ...
*April 25, 2010 by Kelly*

**Math please help! Im so confused!**

it is estimated that at the turn of the 20th century, one farmer in the U.S could feed 25 people, whereas today, the ratio is about 1 to 130. How many farmers would it take today to feed 2600 people? Please help i dont even know how to do this problem!
*January 9, 2013 by Tina*

**Statistics**

A simple random sample of 50 students is taken from a class of 300 students. In the class, * the average midterm score is 67 and the SD is 12 * there are 72 women Let W be the number of women in the sample, and let S be the average midterm score of the sampled students. 1 - ...
*May 12, 2013 by Din123*

**Chemistry...Dr Bobb**

I have a midterm next week so i just wanted to make sure i understand: When we have a solid in a equation like: A(s)<---> B(g)+ C(g) and we add more A why do the equilibrium not change and remain the same
*February 5, 2009 by Saira*

**American Government**

I've read my book and still can't find the answer to this question. I need an explanation so I can study for my midterm coming up. Help please? Describe two ways the federal bureaucracy helps to shape laws passed by Congress.
*December 25, 2009 by Karen*

**VNS,Math**

Mr. Bobby bought 50 shares at $60, and 2 months later purchased 25 shares a $56.at what price should he purchase 25 additional shares in order to have an average price $58 per share? The average age of a family of 6 members is 25 years. The average of the family after a 45 ...
*October 4, 2013 by Nahar*

**Finance**

You can deposit 10,000 into an account paying 9% annual interest either today or exactly 10 years from today. How much better off will you be at the end of 40 years if you decide to make the initial deposit today rather than 1o years from today?
*September 16, 2011 by Sky*

**English 2**

Which hero's story, King Arthur's or Sundiata's, has the more relevant message for young people today? Compose an essay that answers this question, giving at least two examples from the selections and applying them to issues young people face today. Need help with the first ...
*October 11, 2010 by mysterychicken*

**programming**

Write a program that requests the numeric grades on a midterm and a final exam and then uses a Function procedure to assign a semester grade (A, B, C, D, OR F). The final exam should count twice as much as the midterm exam, the semester average should be rounded up to the ...
*April 16, 2013 by Shirley*

**chemistry -- CHMA11**

the chma11 midterm is fast approaching in 2 weeks, june 18. i was just wondering if anyone has previous tests or knows were to find them or samples that could be used for studying..if so could you let me know with some sort of contact that we cud do..or could u post em here or...
*June 3, 2009 by chemist*

**English**

1. What is bibimbap? It is a popular Korean dish. 2. What do we have today? We have a special dessert today. 3. What is today's special dessert? It's chocolate ice cream. 4. Who are they? They are student reporters. 5. What is the opening hours of the library? It's open from 8...
*April 1, 2013 by rfvv*

**U.S.History**

i need help answering this question:how is the constituiton "alive" today. i dont know if i understand it correctly does it mean like what features or parts of the Constitution make it flexible enough to apply to the nation's needs today? if that is what it means..can i please...
*January 27, 2009 by y912f*

**English**

Well, can you walk my dog? You can take her to the park. Answer 1. No problem, but I'm very busy today. Answer 2. Sure, I will, but I'm very busy today. Answer 3. Don't worry, but I'm very busy today. Answer 4. I think I can, but I'm very busy today. Answer 5. I'd like to, but...
*June 23, 2014 by rfvv*

**AED**

help please I need info for this ? Discuss how one of the events has shaped today's classroom and how that event is still reflected in today's classroom. I chose this one for this question 1981 Distance learning becomes a reality
*April 22, 2008 by Dawn*

**midterm review scavenger hunt funsheet**

water moves in bursts
*January 13, 2013 by sasha*

**Algebra **

Ten years ago, Heather was twice as old as her brother David. Today, she is 12 years older than him. How old are they both today? Heather's age today: 27 David's age today: 15 Thanks in advance! I tried using other solutions from Google and just am not sure I got it right.
*September 7, 2014 by Katie Elizabeth*

**math**

Twenty-seven students averages 70 on their midterm. Could 21 of them have scored about 90?
*November 11, 2009 by Jerry*

**ap us gov and politics**

In the last half of the twentieth century, voter turnout in federal elections has declined. During the same period, voter turnout has been higher in presidential elections than in midterm elections. (a) Identify two factors that have contributed to the overall decline in ...
*April 25, 2007 by janis*

**Statistic Help please**

During a given month, P(A)=0.75,P(B)=0.6, and p(A and B). Are these two events independent? are they mutually exclusive. yes;yes yes;no no;yes no;no it cannot be determined yes;no 3. There are two prominent, nationally circulated newspapers, The Wall Street Journal and 40% ...
*March 18, 2014 by Tikima*

**Accounting Math**

Please how do i calculate this problem. Your girlfriend just won the Power Ball lottery. She has the choice of $10,000,000 today or a 30-year annuity of $500,000, with the first payment coming today. What rate of return is built into the annuity?
*April 14, 2010 by Sparkle101*

**calculus**

(lim x --> +inf) of (x^2 - [[x^2]])/2 using Squeeze theorem only thank you so much in advance! its for my midterm tonight!
*October 23, 2009 by cameron*

**English**

1. What's the weather like today? 2. How is the weather today? 3. Whhat's today's forecast? 4. How is it outside? (Are they all interchangeable? are they all the same and grammatical?)
*November 13, 2013 by rfvv*

**Chem Midterm Review**

Ok, so I've been really busy with midterms and my chemistry one is tomorrow. Now, I never intended to let so much time slip by before i started studying, but it happened. It's one of my most important exams. Do I still have a chance of passing? If so, how should I attempt to ...
*January 16, 2008 by Matt*

**Religion**

Origen was the first Bishop of ______in what year. Studying for midterm and this is one of the questions I can't find an answer to
*April 15, 2010 by Maria*

**poetry**

I need help determining the meter in my poem. The Ocean says, "Roar" to wake me up, And I smile as I grab my coffee cup, Because this is the day the Lord has made! I refuse to quiver and be afraid. The sunburst peeks through my window wide, And stay that way till close noon ...
*June 30, 2011 by Person*

**English**

A: Seho, what are you doing? B: Hi, Inho. I'm doing my math homework. A: Hurry up! We have to play soccer in the playground. B: We have a soccer match on Thursday. Today is Wednesday. A: No, it's Thursday today. Come here quickly. B: Sorry. I'll be there. Wait for me. (Would ...
*September 3, 2012 by rfvv*

**Data Management**

if mike does homework today the probability that he will do it tomorrow is 0.8. the probability he will do it today is 0.7. what are the odds that he will do it both today and tomorrow
*January 22, 2014 by Anon*

**COMMON PPL MATH MIDTERM**

how do u draw an asymtote ? diff btwn set and interval notation? and example plz
*April 15, 2010 by forki*

**English 2**

Which hero's story, King Arthur's or Sundiata's, has the more relevant message for young people today? Compose an essay that answers this question, giving at least two examples from the selections and applying them to issues young people face today. I still need help with this...
*October 12, 2010 by mysterychicken*

**History**

Hello, How are you today? Please Help. I'm the parent & my daughter wants me to check her homework but, the sad thing is I don't know about this. In your own words, please! Please no link! I'm begging you! What were the positions of the Federalists & Antifederalists on the new...
*January 13, 2014 by Cindy*

**math**

How can I construct a stem and leaf plot with the midterm test scores of the seventh-period typing class with the list below? 77, 93, 91, 74, 65, 68,97, 88,59,74, 83, 85, 72, 63, 79
*February 27, 2010 by Donna*

**math**

How can I construct a stem and leaf plot with the midterm test scores of the seventh-period typing class with the list below? 77, 93, 91, 74, 65, 68,97, 88,59,74, 83, 85, 72, 63, 79
*February 28, 2010 by Donna*

**teenage society today**

Hello everyone, I am an adult going back to school. I have to write a report about the changes in society today, especially in teenagers. So teenagers, my question for you is what is the type of "text messaging language" you are using? What do some of the abbreviations mean ...
*April 15, 2010 by Cindy*

**geometry please help**

please help me with the question I posted at 4:56pm today
*February 24, 2010 by mike*

**English-Native speakers**

Need help with one sentence structure. I don't know if I am going to be able to explain it good. It goes like this "the measures will have to be much more drastic than if they were conducted today" I need help with this part "than if they were conducted today". I want to say ...
*November 28, 2012 by mark*

**Chemistry**

We did a flame testing lab today with the following metal ions: Sodium, Na^+1 Barium, Ba ^2+ Calcium, Ca ^2+ Copper, Cu ^2+ Potassium, K ^+1 Strontium, Sr ^2+ Lithium, Li ^+1 The question asks to explain the effect of the nitrate ion solution on the color emission. Please help...
*December 16, 2008 by Ellen*

**statistics**

Leslie took two midterm exams and earned the following scores: 82 on the chemistry exam (class distribution: μ = 75, σ = 6.25) and 63 on the physics exam (class distribution: μ = 59, σ = 3.57). Rounding to two decimal points, on which exam should Leslie get...
*April 14, 2014 by Sally*

**Chemistry**

how mant moles are in 1.30g of (NH4)2SO4? answer in units of mol. today our teacher briefly went over this and doing my homework i totally lost it. and cant remember for the life of me what to do could you please help me and show me step by step what to do. thanks
*March 18, 2009 by Leona*

**Science **

1. Do you think there is very much practical chemistry in today's world? Can you give any examples? 2. When you use different materials, what are they most likely to be made from: Elements, compounds, or mixtures? Which of the three is most rare. please help... I dont get it...
*October 4, 2012 by Alysha *

**Math**

So, one of my subjects midterm I got 71% (43 out of 60). The mid-term test was worth 25%. It is my first evaluation. How do I calculate my final mark so far? :|
*October 23, 2013 by Jacob*

**biochemistry**

I am studying for a midterm. Do you know this answer? what reaction does LDH actually catalize and why is that reaction important?
*February 29, 2008 by stew*

**math**

If "today is Monday" is true and "It is May 5th is false, which of the following is false? 1 - Today is Monday and it is not May 5th. 2 - If today is Monday, then it is May 5th. 3 - Today is not Monday only if it is May 5th. 4. Today is not Monday or it is May ...
*January 12, 2013 by liza*

**chemistry**

Dear Dr. Bob, Go to this website listed and you will see that this is not a take home exam. This is my professor's website and you can see his comment on the exams we took today 7/7/10. I just want to know what my score is so I can just relax. type in eee dot uci dot edu slash...
*July 7, 2010 by G*

**Precalc**

Can someone please help me? I don't know how to solve for time under 23 units. When I try I think I get the answer for above 23 units and when I try to subtract from the whole period my answer is wrong. The correct answer is 5.1337 hours. Fidel is measuring the light intensity...
*August 19, 2011 by Rose*

**math**

If the probability for snow today was forecast to be 30%, what are the odds against it snowing today?
*August 16, 2010 by harmony*

**chemistry**

a sample of nitrogen gas has a volume of 1.00 l at STP What is the temp in Celsius if the volume is 10.0 L at 2.00 atm * I know to use the combined gas law, and I got the question wrong in my homework assignment, reviewing for a test today please help.
*November 21, 2011 by James*

**English**

1. Today is April 15th. 2. Today will be sunny and warm this afternoon. (Are both grammatical?)
*March 19, 2014 by rfvv*

**Algebra**

Help please (x^3 + 3x^2 - 2x+7)/(x+1)=11 I don't how how to solve this at all-the answer should be 11 but I don't have a clue how to get it-please show me this one so I can hopefully do my homeowrk-we did this in class today but I don't understand it
*March 7, 2012 by Jeremy*

**Biology 12**

It's midterm time! Can anyone explain the NAD cycle to me in VERY SIMPLE TERMS or have a website that might do it? I keep reading through my notes but I just can't quite get it. Thank you!
*November 5, 2008 by solexgirl12*

**theology and religious studies**

http://www.jiskha.com/search/search.cgi?query=academic+study+of+the+bible+today Please see the first two links here for previous responses to this very question. Thanks. what is the relevance of the academic study of the bible today especially in the african context?
*August 21, 2007 by Writeacher*

**Math Essay**

I have to write this paper over the history of math, can you please give me some other websites that I can use? So far I have one website from wikipedia. Also, can you please read my introduction? As of today, there are plenty of new developments in the area of Mathematics. ...
*November 9, 2007 by Soly*

**math**

If "today is Monday" is true and "It is May 5th is false, which of the following is false? 1 - Today is Monday and it is not May 5th. 2 - If today is Monday, then it is May 5th. 3 - Today is not Monday only if it is May 5th. 4. Today is not Monday or it is May 5th.
*January 12, 2013 by dana*

**geometry**

what year does college look at gpa i got a 3.o for my midterm and if i get 4.0s all other erms of my freshmen year and rest years can i make it to a uc
*October 22, 2013 by jim*

**Finance**

i Craig: I am already having trouble understanding Chapter 6, problem 2 on page 207 of textbook. I am currently on week 3 of the FIN 200 class. The problem reads as follows: If you require a 9 percent return on your investments, which would you prefer? a. $5,000 today b. $15,...
*October 25, 2008 by Reba*

**math**

john has a 25 gallon fish tank. John filled his fish tank today with 24 gallons of water. the water evaporates at a rate of 1.5 gallons per week week. John adds 2 gallons to the tank every other week. At which of the following times will the tank contain 17.5 gallons? a. ...
*March 11, 2012 by Tom*

**English grammar **

"Will you lend me seven dollars for my lunch today? " asked Shannon. Is there a question mark after today or a comma
*October 18, 2012 by Daniel *

**law**

I have a midterm for criminal justice class to do and the istructor she said as soon as we log in to the system we would have 2 hours 15 mins to complete it
*October 30, 2011 by Kristina*

**World History**

I need help finding examples of imperialism in today's world? And then explain why is it an example of imperialism. PLEASE HELP THANKS ALOT Try the following: http://www.google.com/search?hl=en&lr=&as_qdr=all&q=allintitle%3A++%22imperialism+today%22+ Tam, First decide what ...
*May 25, 2007 by Tam*

**Chemistry**

Since ethanol is cheaper than gasoline , today's gasoline's contain varying amonts of ethanol to keep prices lower. given that the enthalpy of combustion of ethanol is -1367 kj/mole and that the aveage energy released by one gram of gasoline is 43 kj: ) Calculae the heat ...
*November 19, 2011 by Devin Boutte*

**Calculus**

Can someone break this down for me step by step? I'm reviewing for a midterm and got stuck on this problem. 5xy - 3x - 4 = 0 y' at (2,1) I'm not sure where the 5 goes when you apply the product rule to the xy.
*October 15, 2009 by Z32*

**Social Studies (URGENT)**

Why was it much more common to help and visit on'es neighbours during the 1820's in Upper Canada than it is here today? This is the only part in the textbook that talks about it but I can't find answer. text: It was much more common to help and visit on'es neighbours than it ...
*February 3, 2010 by John*

**English Grammar**

1. I am writing up today's diary. 2. I am keeping today's diary. 3. I am writing down today's diary. 4. I am writing today's diary. Which expressions are correct? To make #s 1, 3, and 4 correct, you'd have to add the word "entry" after the word "diary." The expression is that ...
*July 10, 2007 by John*

**Chemistry**

equilibrium expression for the combustion of octane? My project is due today =/ (it's 1:30 now, and I really need someone to clarify this last one question. Thanks! This is what I got for the combustion of octane. ^denotes a superscript/exponent. [H2O]^18[CO2]^16...
*June 4, 2010 by Jennifer*

**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*

**math-please help!!**

Diego has 15 yards of ribbon. He will use 2/5 of the ribbon to make bows for some costumes. Each bow will be made with 1/3 yard of ribbon. Diego will make 5/6 of the bows today. How many bows will he make today?
*January 6, 2009 by sacha*

**Calculus**

Got a midterm worksheet. Realized how confused I am. Here are some questions: lim x^3 + 12x^2 - 5x/5x x->0 Find the indicated limit: lim 11x/absolute value x x->0+
*January 19, 2009 by Jane*

**biology**

is a scientific hypothesis accepted if there is no way to demonstrate that the hypothesis is wrong? please explain. please help needed today. thank you.
*September 14, 2009 by rx*

**Algebra 2**

Can someone please explain how to do this problem? The probability that it will rain today is 65%, and the probability that it will rain tomorrow is 25%. The probability that it will rain both days is 35%. What is the probability that it will rain today or tomorrow?
*February 4, 2014 by Jane*

**Chemistry**

Heyy Jiskha!! I need ur help today:) Hope you will help:D My question is that why is supersaturation unstable... I read the explanations for this on many websites but for some odd reason I just cannot get it to sink in my mind. What does it mean by it is unstable how is it ...
*February 22, 2013 by Priya*

**Math URGENT PLEASE**

Please Help, The last question has to be done by midnight. A chevy Bel Air, a classic car today, cost $2,400.0 new in mid-1963. How much would that be in 2012 dollar.
*November 25, 2013 by Tracy*

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