1. Algebra Riddle

What Happens When the King of Beasts Runs in Front of a Train?

2. organic chemistry

the crossed aldol condensation of acetaldehyde with benzaldehyde is aided by the face that benzaldehyde bears no alpha protons however a possible competitive reaction is the self condensation of two molecules of acetaldehyde. slow addition of acetaldehyde

3. dilution

Many labs keep bottles of 3.0M solutions of the common acid on hand. Given the following molarities of the concentrated acids, determine how many mL of each concentrated acid would be required to prepare 225mL of a 3.00M solution of the acid Acid: HCl

4. physics

A human wave. During sporting events within large, densely packed stadiums, spectators will send a wave (or pulse) around the stadium (Fig. below). As the wave reaches a group of spectators, they stand with a cheer and then sit. At any instant, the width w

5. PRE*******ALGEBRA

WRITE A FUNCTION RULE TO DESCRIBE EACH SITUATION. PLEASE HELP I DO NOT UNDERSTAND THIS AT ALL. The number of pounds p(z)as a function of the number of ounces z. The selling price s(c)after a 45% markup of an item as a function of the stores' cost c. The

6. Chemistry 101

Iron reacts with hydrochloric acid to produce iron (2) chloride and hydrogen gas.Fe (s)+ 2 HCL (aq) -FeCl2 (aq) + H2 (g).The hydrogen gas from the reaction 2.2g of iron with excess acid is collected in a 10L flask at 25 degrees celcius. What is the

7. Chemistry 101

If 12.0g of molecular oxygen, O2, is required to inflate a balloon to a certain size at 27 degree celcius, what mass of molecular oxygen required to inflate it to the same size and pressure at 81 degree celcius?

8. Chemistry 101

A gaseous compound has a density of 0.355 g/L at 17 degree celcius and 189 mmHg. What is the molar mass of the compound?

9. Venn Diagram (URGENT)

What are 6 similarities between Canada and Haiti? 1. French Influence 2. 3. 4. 5. 6. Please someone help, this is urgent. thank you.

10. ap bio

a population of 600 plants contains 294 AA, 252 Aa, and 54 aa individuals. the AA and Aa produce purple flowers while the aa plants produce white flowers. what are the frequencies of the following? please show work or explain how you got it. please A.

Given a population comprised of 30 bats, 15 gloves, and 60 balls, if sampling is random and one at a rime without replacement, what is the probability of obtaining a bat, a glove, and a bat in that order if three objects are sampled from the population?

12. Social Studies

How did wheat help the U.S. gain wealth and power in the world?

13. Social Studies

what would happen if wheat was no longer a resource to the U.S.

14. Science

When it's winter in the northern hemisphere, it's summer in the southern hemisphere. So, if it's April in the northern hemisphere, is it still April in the southern hemisphere?

15. Social Studies

what would happen if wheat was no longer a resource to the U.S.?

16. Math

The sides of a square are all increased by 3 cm. The area of the new square s 64 cm^2. How can you find the length of a side of the original square?

17. calculus

Every month, a girl gets allowance. Assume last year she had no money, and kept it up to now. Then she spends 1/2 of her money on clothes, then 1/3 of the remaining money on games, and then 1/4 of the remaining money on toys. After she bought all of that,

18. Chemistry 101

You have a sample of gas in a flask with a volume of 250 mL. At 25.5 degrees Celcius, the pressure of the gas is 300 mm Hg. If you decrease the temperture to -5.0 degrees celcius, what is the gas pressure at this lower temperture?

19. biology

1. A population which meets the hardy- weinberg requirements: a. Evolves b. is small and usually isolated c. has allele frequency in equilibrium d. changes genotypic distribution from generation to generation e. always has 75% A and 25% a allele

20. math

write a letter of the alphabet that has parallel lines segments in the square.

21. Physics

An ice skater, hasa rotational inertia of I = 4 kg m2, and spins at 2 rad/sec. Her rotational inertia then undergoes a change to 2 kg m2. Which of the following is true? a. Her angular momentum remains the same b. Her angular velocity increases c. Her

22. Medical Terminology

You are a front office medical assistant. A second front office medical assistant is going to be hired, and you have been asked by the office manager to help her screen job applicants for the position. The office manager asks you to put together a short

23. French

Could you please check these thanks. Directions: Respond saying yes 1. Tu vois des choses que tu aimes dans la vitrine? Answer: Oui, je vois des choses que j'aimes dans la vitrine. 2. Tu crois qu'on peut entrer dans la boutique? Answer: Oui, crois qu'on

24. Compensation

How would the compensation system change if the minimum wage provision of the Fair Labor Standards Act of 1938 were repealed

25. math 117

Solve the system of equations by graphing Then classify the system as consistent or inconsistent and dependent or independent

26. History

were can I find information about this question? The exploration and settlement of the American continents by Europeans initiated contact between Europeans, Native Americans, and slaves brought from Africa. How did these diverse interactions affect each

27. spanish

"¿Qué hicieron Uds. ayer?" "Yo _____ un crucigrama y Roberta hizo un rompecabezas a. hizo b. hice c. hicieron d. hago i don't understand?

29. math 117

Translate to an algebraic expression The product of 40% and some number. The translation is

30. CHEM

For the reaction of HNO3 is this the reaction? Is the water liquid? 2HNO3(s)> 2NO2(g)+H2O(l)+ 1/2O2(g)

31. Physics

An ice skater, has a rotational inertia of I = 4 kg m2, and spins at 2 rad/sec. She then changes her rotational inertia to 2 kg m2. What is her final angular velocity? a. 4 rad/s b. 2 rad/s c. 2.8 rad/s d. 8 rad/s The answer must be A then right.

32. Quick ?

War the Worlds Solution is the title of my paper should there be an apostrophe in the word worlds? I think so but I just want to make sure I'm right.

33. World History

What impact did World War I have on the economy of Europe?

34. Physics

An ice skater, has a rotational inertia of I = 4 kg m2, and spins at 2 rad/sec. She then changes her rotational inertia to 2 kg m2. What is her final angular velocity? a. 4 rad/s b. 2 rad/s c. 2.8 rad/s d. 8 rad/s I say B, am i right?

the difference between a father's age and his son's age if the father's age is three times his son's age

36. Algebra

I saw this posted but saw no help with it Trains A & B are traveling in the same direction. Train A is traveling at 100 mph and Train B is traveling at 110mph Train A passes a station at 1:15 pm. If Train B passes the same station at 1:45 at what time will

37. Geometry

What results from the composition of reflections in two parallel lines? a. glide reflection b. dilation c. rotation d. translation Would the correct answer be d. translation?

38. history

what was america's response about joining the league of nations (after ww1)? a- the public thought that america should lead the league of nations b- the public generally supported the idea but wanted to play a smaller role c- it supported the president and

39. space

what do the pattern of lines in a star's absorption spectrum represent?

40. Latin

When you're conjugating an -ere verb, such as docere, when do you put the macron on the past tense forms? I know in present tense, the macron is only used for you singular+plural and we. Are -ere verbs inconsistent like this, or is it consistent like the

41. ALGEBRA-MAT117

Trains A & B are traveling if the same direction on parallel tracks. Train A is traveling at 100 miles an hour and Train B is traveling at 110 mph . Train A passes a station at 1:15 pm If Train B passes the same station at 1:45 pm what time will Train B

42. Pre Algebra Math

How to write a rule for a linear function?

43. calculus

1. One day, a person went to horse racing area, Instead of counting the number of human and horses, he instead counted 74 heads and 196 legs. Yet he knew the number of humans and horses there. How did he do it, and how many humans and horses are there? im

44. mathematics

why would someone study mathematics

45. spanish

is this correct? "¿Dónde está el cajón de arena?" "Está en _____." a. el oso de peluche b. el camión c. el patio de recreo d. el carrusel C?

46. spanish

Is this correct? "¿Tenías muchos juguetes cuando eras niña?" "No, sólo tenía dos: a. un dinosaurio y una muñeca b. un oso y un columpio c. un pájaro y un tobogán d. un carrusel y una tortuga A?

47. Math

how do you factor 4x^2-35x-9=0?

48. math 117

I made an error on the one before this because I did not enter the equations. Solve the system of equations by graphing Then classify the system as consistent or inconsistent __dependent or independent 8x-4y=-16 4y-8x=16

49. math

write the correct notation for ray from Q through P

Marco tosses two coins, a quarter and a nickel. Write a proportion that can be used to find p. the percent of times Marco can expect both coins to lanad heads up.

51. algebra

6x+8y=24, 8y-6x=2 what is x and what is y? urgent! thanks:)

52. spanish

is this correct? "Cuando Osvaldo era niño, él siempre _____." "Estoy de acuerdo. Nunca decía la verdad." a. mentía b. lloraba c. reocrdaba d. obedecía A?

53. spanish

is this correct? ¿Adónde van algunos niños antes de ir a la escuela primaria? a. Van al patio de recreo b. Van a la guardería infantil c. Van a la universidad d. Van a la oficina B?

54. spanish

help, Cuando era niño, yo era muy _____. Mi madre siempre me daba todo lo que quería. a. consentido b. tímido c. desobediente d. pequeño i understand the first part of the question, "when i was a kid i was very ___." i don't understand the next part i

55. Math

Can you factor these for me? 12x^3 + 6x^2 - 3x - 2 2x^2 +x - 6 25 - 4(x^2 - )^2 y^2 - 3y - 10 (3x - 1)^2 -36 x^3 - 3x^2 - 16x + 48 4x^2 + 7x +3 6x^2 - 19x + 15 5x^4 - 45x^2

56. English

1. The earth goes around the sun. 2. The eatth moves around the sun. 3. The earth goes round the sun. 4. The earth moves round the sun. (Which one do I have to use?) 5. Many boys were sitting around the lake. 6. Many boys were sitting round the lake. (Do I

57. Hum 130

Central Beliefs in Daoism?

58. Geometry

Which describes the compositions of 3 reflections in three distinct lines, two of which are parallel? a. dilation b. rotation c. glide reflection d. translation Is the correct answer c. glide reflection?

59. Astronomy - Plantet (MARS)

For an assignment I have to research Mars. Including size, temperature and gravity. My teacher wants a summary of these. Can someone please help me shorten this wall of text into like 1 paragraph? It was 1 full page before, but I took out all the technical

60. history

I have to write an essay on the role Germany had in World War 1 between 1914 and 1920. I need to have three key points but I can only think of one. So far i have a paragraph about how Germany attacked the Lusitania and killed innocent civilians. -would

61. Chem 101

How many liters of CO2 are in 50 kg of carbon dioxide at STP?

62. Math 117

In 1991 the life expectancy of males in a certain country was 73.7 years old, In 19951995 it was 77.4 years. Let E represent the life expectancy in year (t) and let (t) represent the number of years since 1991 What is the linear function fits the data. Use

63. Algebra I

Thanks Reiny, but I'm still lost. I understand how you multipled by 10X on the right to get 17x, but you went too fast on the left, and I have no idea how you got 10x^2-20 from the starting left side. Can you show each step? Thanks, Carol x - 2(1/x) =

64. Algebra

Factor. 15x^4 - 18x^3 + 21x^2 - 9x The method that I usually use did not seem to work... so I'm not sure if I messed up or not. Please help if you can and explain how you did it! Thank you! :-)

65. english

OK im supposed to identify the part of speech of the word in brackets...A city must be planned [carefully], or people will not want to live in it. I think it is an adverb but im not certain.

66. Chemistry

Water had the lowest bp of 100C b/c it has no solute to block the movement which cause to have a lower bp when heated. Water with a solute of sugar has a slightly higher bp of 101C because it has a solute o block off some of the waters movement to the top.

67. math

add: 2 1/2 + 3 1/4 + 3 5/8

68. english

Can someone please give me some SIMPLE (easy for me to understand) meanings of the following poetry terms? because I am quite confused with the terms...especially alliteration, assonance,consonance, and rhyme. How can I identify them? 1. Poetry 2.

69. spanish

is this correct? "¿Te peleabas mucho con tu hermana cuando eran pequeños?" "Sí, ella siempre me _____." a. coleccionaba b. caminaba c. saltaba d. molestaba D?

70. spanish

Cuando era pequeña, Marta siempre _____ a sus padres. a. ayudó b. ayudaba c. ayuda d. ayudas D?

72. English

[j], [w] : phonetic symbols Are both consonants or vowels? They are called semi-vowels, but we add 'a' not 'an'. ex. a year, a woman. A is put before a consonant and an is put before a vowel, isn't it. I'd like to know about [j], and [w]. Do you have a

73. math

divide 36x^8-24x^6+20x^3/-4x^3

74. Social Studies

Everyone, this is on history just to let you know 1. How did geography help defeat the British at Yorktown? 2. In what ways might the states have been called the Disunited States in 1781? 3. As Americans fought the revolution, what events were taking place

75. Precalc

NY has 560 cars for 1000 residents. The current population of NY is 12,929,000 and rate of growth of the population is 0.02%. NY license plates consists of 4 letters followed by 3 digits. What year will they need to change the way they make license plates?

76. Latin

If you're using the vocative case for a plural word like friends pluralized, would it be amici or amicis, or something different? Thanks!

77. ***Latin Urgent***

As I'm studying these prepositions to be used in the ablative case, I had a question. How do you know when to use a (with a macron) verus ab? What about e (with a macron) versus ex? Thanks for your explantion!

78. history

what was the affect on the world of the iran-contra affair?

79. Chemistry

Pine trees have a pH range of what ?

80. college

How would the compensation system change if the minimum wage provision of the Fair Labor Standards Act of 1938 were repealed

81. Astronomy

Why is most of the mass of the solary system contained in the Sun? Briefly describe the protoplanet theory of planet formation. Please help. thanks.

82. Biology

How did eukaryotic cells develop?

83. General Knowledge

What is a Narwhal's horn made out of?

84. algebra

solve. 3x/2 + 8-4x/7=3

85. Hum 130

Countries of origin in Confucianism?

I think that: psi= A sin kx; is a solution to Schrodinger's time independent eqn for a particle confined: a) within an infinite pot well, and b) within the walls of a finite well;but psi= B exp(-kx) would only be a solution for outside the walls of a

87. Social Studies

What's south asia art,architecture,and culture?

Can you please proofread this for me. My teacher said that it was done correctly. Thank you. Freedom, wealth, security, and beliefs all branch off from the main cause of war. The positive beliefs that have been expressed regarding war, tend to state that

89. Information Technology

Apeart from the computer, what three electronic devices contain a chip and what nfunction does it play in that specific device? Can a remote, phone and the T.V. be examples? but what function does it play in these devices?

90. trig

I am very confused about the concepts of.. sin è = sin(180 - è) sin (180 + è)= -sinè tan (180 - è) = -tanè and how the final answer was found in this problem... Find cos 510: cos510=cos(540-30) =-cos30 =-s.r3/2 i don't understand how we went from

91. algebra

solve 0.07-0.003x+0.2=1.02

92. spanish

is this correct? "¿Siempre obedecias a tus padres cuando era niña?" "No, era muy _____." a. obediente y bien educada b. maleducada y tímida c. consentida y bien educada d. desobediente y maleducada D?

93. education

What type of formative evaluation you would conduct if you were conducting a full scale group evaluation?

what is a expirment for will water temperature change if it is heated while it has ice in it?

95. spanish

is this correct? "De pequeño, ¿cómo eras?" "_____ que era tímido." a. lloro b. molesto c. recuerdo d. me porto A?

97. economics

What is the correct treatment of a stock dividend issued in mid-year when computing the weighted average number of common shares outstanding for earnings per share purposes?

98. Spanish

eodns These are the letters to a spanish word what does it spell?

99. Algerbra I

Help me solve this. Please show me the work so I know how to do it. The difference between a number and twice it's reciprocal is 17/10.

100. AE

Educational Debate Persuasive Paper My topic is ***** Should Teachers Have the Authority to Remove Disruptive Students from Their Classes Permanently? **** Paper should be 1,750-2,100 words long What are some good ideas to put in my paper? This is what I

Pleasee! I have a worksheet with me and i need to know how to do range and mode, somebody please tell me!

102. MATH 1111

College Algebra help with logarithms! Ln (x-4) - Ln (x+1) = 16 How do I take natural logs?? it's a study guide question for our final exams

103. Algebra

Don't understand quadratic word problems at all. Please help, with steps. One number is 8 more than another number. Their product is 273. find the numbers. The differance between a number and twice it's reciprocal is 17/10. What is the number? Thanks,

104. sci 230

Why is it difficult to evaluate beliefs in relation to science?

what country and year were these manmade stone constructions built? The Great Wall Mount Rushmore Itaipu Dam Stonehenge and The Great Pyramaid

106. spanish

is this correct? "¿Quiénes te cuidaban cuando tus padres trabajaban?" "_______ me cuidaban." a. Loas dinosaurios b. Los vecinos c. Los pájaros d. Los columpios B?

107. spanish

is this correct? "Cuando Osvaldo era niño, él siempre _____." "Estoy de acuerdo. Nunca decía la verdad." a. mentía b. lloraba c. reocrdaba d. obedecía A?

108. spanish

is this correct? "¿Qué coleccionabas cuando era pequeño?" "Coleccionaba _____." a. toboganes b. columpios c. animales de peluche d. cajones de arena C?

Find each product. 1) 2t(t + 2) 2) (2n +1) * (n - 4)

110. IT 205

Why is the waterfall model valuable to the management of information technology projects?

111. Hum 130

Ethics and morality in Hinduism

112. Humanity

Ethics and morality in Confucianism

114. Goverment

Why or why not the concept of religious freedom is relevant to today's contemporary society.

115. Algebra I

I can understand this if the steps are shown to me. Please help me explain it to my daughter! One number is 8 more than another number. Their product is 273. I got this far. X(X + 8) = 273 X^2 + 8X = 273

116. French

Could you please check these thanks. Directions: Complete with either payer or essayer. 1. Vous -------- où? (Payer) Answer: payez 2. On ------ à la caisse. (Payer) Answer: paie 3. Je -------- parce que j'invite. (Payer) Answer: paie 4. Il va -------- la

117. Maths

Hi can anyone help me with this? 20^2 x 8^4 x 125 (x meaning multiply) I have to write in the simplest index notation. Is there a trick to rewriting the bases in terms of their prime factors? Or is it all trial and error until you come up with the right

118. Quick French

Les amies sont au salon. Elles ont une télé. Elles vont regarder un film. Vous etes au café. Vous avez 20 euros. Vous allez aller dans les magasins. Please check these 2. If there is anything wrong with them, please tell me so I can correct. Merci

119. algebra II

Simplify. 2 square root 2(5 square root 10- 3 square root 2)

121. Physics

Here's the question I'm currently working on... What initial kinetic energy must an α particle have if it is to approach a stationary lead nucleus to within a distance of 35.9 fm? So I looked up a couple of things I thought we need for this problem. I

122. cjs 250 introduction to security

how have these laws led to the historical development of security force both private and public why do you think the need for both private and public security still exist

123. Math 117

Find the domain of the function g(x)-7/7-4x

124. Humanity

ethics and morality in Daoism

125. social studies

What is the Green Treaty Line?

126. French

Could you please check these thanks. Directions: Complete the following with croir. 1. Il------- que tout est moins cher pendant les soldes. Et vous, vous ---------- ça aussi? Answer 1: croit Answer 2: croyez 2. Julien -------- que l'examen va être

127. math

the sum of the weights of twin brothers if one weighs four pounds more than the other

the difference between a father's age and his son's age if the father's age is three times his son's age

129. PSY 210

How others view a person can influence how that person views his or her environment and those in his or her environment. People are constantly making first impressions in social, personal and professional situations What is a situation where you think it

the value in cents of a number of quarters and the same number of nickels

131. spanish

please please help me with this one: "¿Fueron Paula y Marta al partido de hockey?" "No pudieron ir porque _____." a. se bañaron temprano b. no se peinaron c. se secaron bien el pelo d. se levantaron tarde paula and marta played a game of hockey..? no,

the sum of the weights of twin brothers if one weighs four more pounds than the other

134. math

please!!! i forget!! how do u do rnage? How do u do mode?!?!

135. Math

If I had something like: 2x^2 + y^2 couldn I factor it into x^2 (x^2 + y^2)

-2-8 81-(13)

138. math

find the median 22,55,43,26,33,36,43,25 answer is 33 and 36

139. math

help with factor by grouping

140. Political, Legal, and Ethical Issues in Business

Where does the legislative and judicial branches come into play with investigation and enforcement of the EPA?

141. Math

Ben has 4 people in his family. They have 6 cupcakes left to eat. How many cupcakes will each person get to eat?

142. science

how do we see black and white

143. economic mangement science

i need the development of money

144. College Algebra

Another one if you can help Solve the formula for the indicated variable. N=a+b Ln (c/d) for c

can you convert 23 percent? -- 92

146. chemistry

how can the purity of water be established?

147. TO: SRAJMCGIN

I was going to let you know I posted a reply to your question at the bottom. On the #4 when you said I needed aller+ infintive which word needs that I don't understand what you mean.