1. Chemistry

a 40-year-old manger at a prominent legal firm in L.A experiences abdominal pain post lunch. He goes to the restroom a couple of times, but continues to experience pain and cramps. He evevtually decides to get himself examined. While questioning him, you

2. Math

An architect designs a house that is 12 m wide. The rafters holding up the roof are equal length and meet at an angle of 68°. The rafters extend 0.6 m beyond the supporting wall. How long are the rafters? Hi - I was wondering if you could help me with

3. math

From an observation tower that overlooks a runway, the angles of depression of point A, on one side of the runway, and point B, on the opposite side of the runway are 6 degrees and 13 degrees, respectively. The points and the tower are in the same vertical

4. Precalc

Identify the graph of the equation. What is the angle of rotation for the equation? y^2+8x=0 is parabola 90 degrees correct? also Identify the graph of the equation. What is the angle of rotation for the equation? xy = -5 =hyperbola 45 degrees

5. MATH

X+Y=5XY,3X+2Y=13XY where x and y are not equl to 0

6. Chemistry

Copper metal reacts with hot concentrated sulfuric acid solution to form aqueous copper (II) sulfate, sulfur dioxide gas and water. What type of reaction is this?

7. chemistry

Rank the following compounds in order of decreasing boiling point: sodium fluoride ( \rm NaF ), methane ( \rm CH_4 ), fluoromethane ( \rm CH_3F )

8. chemistry

What happens to the physical properties as the strength of intermolecular forces increases?

9. math

Hi - I'm having problems drawing a diagram for the following question. The part I find unclear is "they mark a point A, 120 m along the edge of the waterpark from Brianna's house. I'm wondering if point A is the waterpark. See question. My answer to this

10. physics

1. The acceleration due to gravity calculated this way works well for objects near the Earth’s surface. How would you have to change the above equation if the object was 100,000 meters above the ground? (Note: this question refers to Newton’s equation

11. physics

A bus traveling at 30.0km/h accelerates at a constant 3.5 m/s^2 for 6.8s. what is its final velocity?

12. science

hellium gas is added to a balloon already partially filled with helium gas.why does the balloon inflate?

13. For Sam - re "Crossing the Bar"

http://www.jiskha.com/display.cgi?id=1313885018

14. statistics

The heights of American women aged 18 to 24 are normally distributed with a mean of 66 inches and a standard deviation of 2.5 inches. In order to serve in the U.S. Army, women must be between 57 inches and 79 inches tall. What percentage of women are

15. Social Psychology

Aggression is verbal or physical behavior intended to cause harm. It is difficult to think that we participate in aggressive behavior, and yet we all do at some level and at some point in our lives. We know that no one theory is ever completely accurate in

16. math

Ajax is 8 km due west of Oshawa. Uxbridge is 16 km NW of Oshawa. How far is it from Ajax to Uxbridge? Explain whether you have enough information to solve this problem. my answer was 13.856 km but not confident how I found the angle oshawa to begin with. I

17. math

A farm has cows and ducks. There are 78 feet and 27 hands. How many of each animal are there? How do you know?

18. maths

) If * stands for /, /stands for -, +stands for * and –stands for +, then 17/5*4+19-8? A)1.25 B) 24.5 C) 12.8 D) 22.4

19. Statistics

You are a marketing analyst in a large grocery store chain. Your job entails developing a robust customer knowledge base utilizing the company's vast database of in-store purchases. To date, you have been able to build a profile of your customer base, draw

20. home economics

can you please send me an investigation into teaching and learning of home economics in junior secondary school pls urgently

32. Maths P5

Cindy went to the store with just enough money to buy 11 files.However, she bought only 8 files and spent the rest of her money on 24 pens and rulers. The ratio of the number of pens to rulers was 3:5. Each ruler costs $0.80. Each pen costs$0.40 more than

33. Maths P5

Mr Neo has fewer than 200 sweets. He wants to give his class an equal number of sweets. If he gives each pupil 3 sweets, he will have 70 left over. If he gives 5 sweets, he will need 10 more sweets. How many pupils are there in the class? How many sweets

34. Science

In physics,Light chapter: A/c to huygens principle light travels in the form of Waves but When he explained Ripple's tank experiment he showed that light travels in the form of particles{in diagram}Why?

35. math

3 boxes are in a room. You know that one contains apples, one contains oranges, and one contains both apples and oranges, nut you don't know the contents of the specific boxes. The boxes are labeled, "apples," "oranges," and "apples and oranges," but each

36. geometry

The coordinates of the vertices of a triangle are A(1,3), B(6,10), and C(11,18). Find the perimeter of the triangle when the coordinates are multiplied by 3.

37. Math

Hi - I'm reposting this thread as there was some encoding issues in previous version that I clarified near bottom. Thanks. Hi - I'm having problems drawing a diagram for the following question. The part I find unclear is "they mark a point A, 120 m along

38. mathematics

a person has 1&2 rupee coins with him total amount with him is 75.total number of coins with him is 50.find how many 1&2 rupee coinsare there with him.

39. Writing

Conflict? That’s the word defines me. Why? I’m always having and issue with someone and it leads to fussing back and forth at each other. In the story, “Interlopers” by Saki and in a conflict I had with my sister we had a lot of similarities and

40. physics

the velocity of a car increases from 36km/hr to 54km/hr in one minute determine the force exerted by the engine on the car mass of the car is 120kg

41. english

He ran quickly.But he could not overtake him.

42. english

) 1 had a black and .... white dog which has been missing since yesterday. A) a 6) an C) the D) none of these

57. math

find average of first 52 consecutive numbers

58. trig

cos@-4SIN@=1 then sin@+4cos@=

59. Infection control

I am a registered nurse relocating to New York and one of the requirements for license reciprocity is to take an infection control exam on the internet. Do you know of any legit exam sites on the web. Thanks.

60. Math

Find the value of x or y so that the line passing through the two points has the given slope. (-1,4) (X,3); M=2/3

61. math

Use algebraic method to solve line 1 x+4y=14 line a 3x+2y=12

62. english

Although it was raining heavily they continued the play.

63. english

can u please help me make these senetnces sound better. 1)Alfred through his surrounding misery strived for success and with the use of poetry established himself at Cambridge. 2)He soon became a well known poet all over the world. 3)It no surprise, that

64. chemistry

allotropes means

65. biology

what is the difference between a chemical that is an irritant compared to a chemical that is corrosive?

66. Education support

I need help pls? Could someone help me with Dispute Grievance Resolution Procedures in school? thanks

67. mathematics

a person has 1&2 rupee coins with him total amount with him is 75.total number of coins with him is 50.find how many 1&2 rupee coinsare there with him.

68. spanish

Make the following words agree in Spanish " un, abuelos, amables

69. english

could you please correct it, and help me write it in a better manner. From the sunset phrase the readers anticipated that the boat was in fact the transportation to heaven, and that the passengers were all from the dead. Moreover, this could only mean that

70. engineering

what is civil engineering?

71. math

please show work 19 and 6/7 +12 and 2/3

72. physics

A ball of mass 100 g moving with a velocity of 20 ms-1 is brought to rest in 0.02 s. The average force on the ball is ____.

What are some of the best practices or etiquette that should be followed when writing business e-mails?

74. math

if perimeter of a square is increased 25%.what will be the increased area %?

128. English

My summer assignment includes the prompt: "What does the novel The Scarlet Letter say about the importance of one's personal culture?" How would I go about answering this? The question confuses me!!!

129. Psychology

I have to write a paper on Psychological disorders from a specific perspective. I was going to choose Cognitive-behavioral and then systematic desensitization. I have to Develop an explanation for disorders from this perspective and describe the type of

130. math

wath 27+72 do not use pen,book,

131. hum 176 final part one

You are the chief editor of a large metropolitan daily newspaper. One of your reporters is caught fabricating sources and making up facts. How do you handle the situation, from disciplining the reporter to explaining it to your readers?