Questions Asked on
January 11, 2009

  1. ALGEBRA (MAT 117)

    2. The D = 1.2(sqrt)h equation gives the distance, D, in miles that a person can see to the horizon from a height, h, in feet. a. Solve this equation for h. b. Long’s Peak in the Rocky Mountain National Park, is 14,255 feet in elevation. How far can you

    asked by Paradise
  2. Math-Trig

    solve for a: V=4/3pia^2b

    asked by Megan
  3. ALGEBRA-MAT 117

    The equation D=1.2(SQRT)H gives the distance, D, in miles that a person can see to the horizon from a height, h, in feet. A. Solve this equation for h. B. Long’s Peak in the Rocky Mountain National Park, is 14,255 feet in elevation. How far can you see

    asked by Paradise
  4. World History - Renaissance

    What was the significance of Joseph Priestly's impact on the Renaissance?

    asked by SarahM7
  5. English

    Where can I find an example of an argumentative essay on the Internet?

    asked by James
  6. Linear Algebra

    Hello ! i try to solve Linear algebra 2 questions(but need them be written properly as mathmatical proofs) Having A matrice nXn: 1)proove that if A^2=0 the columns of matrice A are vectors in solution space of the system Ax=0 (x and 0 are vectors of

    asked by Anatoly Z
  7. Span linear

    hello everyone!i'm breaking my head and desperate how to do it... If i have a vector in linear space V:r v1,v2.....vk,a,b having A={v1,v2.....vk,a} B={v1,v2....vk,b} C={v1,v2...vk} and its known that V=sp(A) and b∉sp(C)........ needed to prove 1) a ∈

    asked by Anatoly Z
  8. english

    i am doing a school project about william shakespeare. i am struggling to find out who his influences were . thanks for your help!

    asked by rory
  9. Eth125

    Describe other measurements sociologists use to calculate prejudice.

    asked by Ashley
  10. math (trigonometry)

    help me solve this coz im stumped secx-secx sin^2x= cosx thanks

    asked by Kakashi
  11. 7th grade

    I am needed to build a seigneury model for my life in a Segneurial System project. Does anyone have any ideas on how to build one.

    asked by Peyton
  12. Biochemistry

    What is the pH of the solution that results from mixing 5 ml of 0.2 M NaOH and 100 mL of 0.05 M lactic acid? (Pka of lactic acid= 3.86)

    asked by Andrew
  13. english

    We are doing a project that claims that children are "invisible" to society. What could be done to make them visible?

    asked by naomi
  14. science

    1) which scientist's work did Copernicus contradict? 2) what made it difficult for him to prove his theory?

    asked by jake
  15. science

    1) which scientist was later imprisoned for openly supporting the Copernican theory? 2) what did he discover that helped prove that Copernicus was correct?

    asked by jake
  16. criminal justice

    This is my homework assignment, I cannot find any info on systems management and how it pertains to the criminal just field. Can someone please help me Discuss the three types of management styles that are reviewed in your course materials (Scientific

    asked by ab
  17. english

    hello everybody! I am doing a my homework on contrastive analysis.I am from Croatia so I have some examples in English and their equivalents in Croatian.My task is to say are those equivalents formally correspondent and to what degree.I don't understand

    asked by lily
  18. Science

    1. What term refers to an energy transfer that causes a change in tempeture? Assume that you have just taken a pan of cooies out of the oven and set them on he counter to cool. 2. What term refers to the aveage kinetic energy of the particles of one of the

    asked by honorsclass
  19. physics-major help!

    the object hung from the cable has a weight of 25 N. write the equation for the sum of the forces in the y-direction. what is the tension i nthe cable? has a 30 degree angle. how do i do this pleasee help i don't understand at all!

    asked by Kennedy
  20. French for Anonymous

    FRENCH TRANSITION WORDS ENGLISH FRENCH about (a subject) au sujet de absolutely absolutment actually effectivement, en réalité, en fait according to d’après, selon after après after all, deep down au fond after having (+verb) après avoir/être +

    asked by SraJMcGin
  21. Dog Hunting Training

    Please check my answer thanks :) True or False The Rhodesian Ridgeback in not considered a versatile hunting breed ( however Pointer Weimaraner and Bruttany are versatile hunting breeds) I said that is True

    asked by Mallie
  22. randon question that needs an answer

    how many years apart is it leagle to marry like can u be 27 but marry sum1 that is 32? or 19 but marry sum1 that is 24? like how many years apart ...can u be 5 years apart and still marry the person? is that leagle?

    asked by Lauren
  23. Dog Hunting Training

    Please check my answer thanks :) Which of the following is not considered to be a natural,or inherited ablity ? A Nose B Pointing C Search D Delivery to hand I picked D

    asked by Mallie
  24. Dog Hunting Training

    I was wondering where I could find any information on Which stakes may not be conducted on horse back Thanks very much for your help

    asked by Mallie
  25. fine arts

    i need to find two masks of the americas and oceania or the africas. my teacher gave a wit combe site but im having trouble finding one on it. i don't think we can paste links on this thing. soo if anyone can find them on this site, or has another link

    asked by y912f
  26. english

    where can i find information on william shakespeare and macbeth

    asked by numz
  27. Science - Pls Help! Thanks ' (:

    normal double glazing windows is made from two layers of glass with air trapped in between them. So How Can They Keep The House Warm ??

    asked by fern
  28. Math: Present Value

    Please help me with the following problem. I'm not able to get the right answer! Please provide a full solution that I can follow... thank you. How much money should be invested now at 7% to obtain $9,000 in 5 years if interest is compounded: a) Quarterly

    asked by Anonymous
  29. English

    Where can i find an example of a acdemic mission statement? how to write a good personal mission statement

    asked by Bryan
  30. French for Anonymous to Sra

    i am having trouble posting my email it keeps on saying Homework Help: Error(s) With Posting an Answer You are not allowed to post internet addresses. how can i give u my email adress then it is mr.blue at ymail

    asked by Anonymous
  31. french from Anonymous to Sra

    In french do u indent the first paraghraph? or all the paragraphs? thanks again

    asked by Anonymous
  32. Child Care Facility

    In a child care facility, Kitchen rules are intened to A. promote safety. B.facilitate the preparation of meals. C. discourage the kitchen staff from entering classrooms. D. regulate traffic flow from food preparation areas to eating areas. I pick the

    asked by Cynthia
  33. 5th grade

    What is the climate for the amazon rainforest?

    asked by anonymus
  34. cjs200

    many judges in the criminal court system are not only overwork, but also must contend with the worst of soceity. How does the role and responsibility of a judge differ in a real-life courtroom as opposed to the mystique portrayed in the movies or on

    asked by lisa
  35. Math

    Find the first and third quartiles, Q1 and Q3, of the following set of numbers. How do I do this when the numbers are:13, 4, 12, 16, 8, 14, 8, 3, 10, 8 and these are the answers that are given:A) 3; 16 B) 4; 14 C) 4; 12 D) 8; 13 Please help me.

    asked by A.W.
  36. physics

    Which is denser, ice at 0 degrees C or water at 4 degrees C? i know water is densest at 4 degrees C, but im not sure if ice is denser.

    asked by Samantha
  37. Physics/Chemistry

    1 L of 20 degrees C water is mixed with 4 L of 40 degrees celcius water. What will be the temp of this mixture? the only thing i know is like V/T = V/T but im not sure how it relates to this problem, if at all.

    asked by Casey
  38. Calculus

    Find: 1)x^2-y^2=15, normal at (-8,7)

    asked by Jane
  39. Math

    Place the following set of numbers in ascending order.-2/9,5/9,1/8,-1/9,3/7?

    asked by A.W.
  40. Poem

    Is this a good title for my poem? There is a hero in everyone There is a hero in everyone Caring for others Giving strenth, courage, and friendship To one another Hero's protect us In their special way They guide us, save us Each, and everyday Hero's show

    asked by Spongebob
  41. algerbra

    y=5/9 x

    asked by lisa
  42. Social Studies

    what is the sunbelt

    asked by Anonymous
  43. math

    Example: Carlos buys 1 gallon and 2 quarts of paint for a single coat, his house is 350 square feet, in order to increase volume of paint when painting the inside and outside of the house, carlos would need slightly more than a gallon if the walls are

    asked by Julissa
  44. Biology

    I did a lab biology project on seed germination and the results weren't as expected. pH 5 worked better than pH 6 or 7 which seemed weird because surely it would be too acidic. I've been trying to find an explanation as to why I got these results and I

    asked by Anonymous
  45. Chemistry

    Chemistry help!!!!!!!!!!!? Make a chart and define the following reactions using the following 3 examples methods. Wrie out in letter(a,b,c), Symbol(Na,Cl,O) An name form(sodium,chloride,oxygen) A direct combination b decompition C single replacement and D

    asked by M
  46. French from Anonymous to Sra

    hi its me again i have a question u said before that Un exemple concret est = concret c'est but in your latest answer u said Concret = ? What is this noun doing in front of "c'est...?" Also thnks for the title ideas. But could u please also help me with

    asked by Anonymous
  47. medical billing and coding

    youre the new director of a hoispital health information management department. The chief financial oficer has hired you for your expertise in health care reimbursement and needs to know how your department can help with reimbursement. list the most

    asked by r
  48. adult education

    how has christianity teachings of one text (the Bible), divided into so many denominations?

    asked by Mary
  49. general

    have Hill Harper ever been in a situation where he had to communicate and present arguments?

    asked by Bryan
  50. math

    Construct a box-and-whisker plot for the set of numbers.? 0.16, 0.08, 0.27, 0.20, 0.22, 0.32, 0.25, 0.18, 0.28, 0.27 I'm not looking for anybody to my work for me, I just really need some help.

    asked by A.W.
  51. Psy

    Explain Jane Loevinger's stages of ego development. Include manifestations that might appear during each stage. My answer:(But I need more help of finishing the question) Jane Loevinger’s ego development theory proposes that individuals advancement

    asked by Bella
  52. math

    Place the following set of numbers in ascending order.-2/9,5/9,1/8,-1/9,3/7? and this is what I got is it right? -2/9, -1/9, 1/8, 3/7, 5/9

    asked by A.W.
  53. ENGLISH

    could someone tell me if i used intimation in the following sentence correctly: The intimation that came over the loudspeaker reminded the students of the upcoming dance.

    asked by Casey
  54. Math!!!

    10=2x ???

    asked by Payge
  55. Chemistry

    Explain how a calibration curve is produced

    asked by Michael
  56. Physics

    a 100 g iron bar at 100 C is placed in 200 g of water at 20 C. If specific heat of iron is 0.11 cal/G*c to what final temperature will the iron bar cool?

    asked by Sierra
  57. Business

    A requirement by law that a director of a day care facility should be careful to fulfill is the granting of A. break periods B. vacation days C. sick leave D. paid holidays. C is the option I chose.

    asked by Cynthia
  58. Math

    How long after 7:30 are a clock's minute hand and hour hand 50 degrees apart?

    asked by J
  59. Biology

    I did a lab biology project on seed germination and the results weren't as expected. pH 5 worked better than pH 6 or 7 which seemed weird because surely it would be too acidic. I've been trying to find an explanation as to why I got these results and I

    asked by Anonymous
  60. Math

    The half life of Uranium 230 is 20.8 days. How long would it take for 20% of Uranium 230 to decay?

    asked by J
  61. Physics

    a 100 g iron bar at 100 C is placed in 200 g of water at 20 C. If specific heat of iron is 0.11 cal/G*c to what final temperature will the iron bar cool?

    asked by Sierra
  62. calculus

    Use Fundemental Theorem of Calculus part 1 to find the derivatives of the following: (i) F(x)=Integral ( top3, bottom x) e^-t^2 dt (ii) G(theta)=Integral ( top cos theta, bottom sin theta) 1/1-x^2 dx

    asked by extraordinary
  63. science

    I need to find at least 3 traits that are common to humans... could someone please help?!?

    asked by Ella
  64. Math

    what are the next three numbers in this pattern 2,3,4,6,6,9,8? Help please.

    asked by Lily
  65. Economics.

    I need some help please. I am trying to find some resources to help me with this does anyone know of a good article or website? What are the psoitive or negative expernalities of the food service industry?

    asked by Tabby
  66. math

    which ordered pair is not in the solution set of y>2x+1? 1: (1,4) 2: (3,8) 3: (1,6) 4: (2,5)

    asked by Anonymous
  67. Math

    How long after 7:30 are a clock's minute hand and hour hand 50 degrees apart? The answer is 17.3 minutes, but I don't know how to get it. Help!

    asked by J
  68. chemistry

    can someone confirm that the functional group of cocaine is the ch3n group. thanks

    asked by Valerie
  69. Books

    what's the book Jurassic park about?

    asked by Maya
  70. AP World History

    Well we are doing a project on empire building and we had to answer a couple of questions. I looked all over the internet and I can't find answers to these four questions. this is due tomorrow so I'm really desperate. Can someone help me out? My empire is

    asked by Alice
  71. English

    I need a summary of the poem easter 1916

    asked by Jameisha
  72. math analysis

    is (x^2-5) a factor of x^4-3x^2-1?

    asked by Chelsea
  73. BiOlogy

    I did a lab biology project on seed germination and the results weren't as expected. pH 5 worked better than pH 6 or 7 which seemed weird because surely it would be too acidic. I've been trying to find an explanation as to why I got these results and I

    asked by Anonymous
  74. Physics

    Just before landing on mars, a spaceshuttle turns on its retroengine and eventually comes to a complete stop 15 meters above the planets surface. It then drops freely down to the surface. How long does it take to fall to the surface.What is the impact

    asked by Chloe
  75. help me plz math

    which ordered pair is not in the solution set of y>2x+1? 1: (1,4) 2: (3,8) 3: (1,6) 4: (2,5)

    asked by Anonymous
  76. A & P

    How does regular physical fitness and exercise impacts on the human body systems,how the body attempts to adapt and compensate for the influences to maintain homeostasis.

    asked by PJ
  77. math

    your school is planning to bring 193 people to a competition at another school. there are eight drivers avialable and 2 types of vehicles buses and minivans. the school buses seat 51 people each, and thw minivan 8 people each.

    asked by Anonymous
  78. Physics

    A train travels 84 km/h when it reaches a slower train 47 meters ahead traveling the same direction at 24 km/h. If the faster train decelerates at 2.1 m/s^2 while the slower train is at a constant speed, when will they collide? If the train that is faster

    asked by Chloe
  79. pre cal

    what is the sum of e or 1n

    asked by ash
  80. history

    What importance does Thomas Hobbs have in the world today? What connections can be made?

    asked by Anonymous
  81. us history

    hi. can someone please help me find some good quotes that justify american imperalism in the late 1800s and early 1900s thank you

    asked by phil
  82. englsih

    in hamlet, is the "to be or not to be" speech a soliloquy? because aren't polonius and claudius hiding?

    asked by lynn
  83. Math

    An Egyptian Mummy stands upright in a case that is 3.5m high, and has a colume of 14m^3. The width of the case is half the length. What are the length and width of the case? Please leave an explanation Thanks!~~~

    asked by Andy
  84. French for Anonymous to Sra

    Thank alot for everything i received your email all lined up!! You have been of so so so much help thanks alot again :) ;) thankouvery much!)!D xD

    asked by Anonymous
  85. sci

    this is what i have to have...All key elements of the assignment are covered in a substantive way. · The student distinguishes the types of plate margins and how they move. · The student discusses why earthquakes are common along plate margins or

    asked by troyer0269
  86. science

    how do you balance a chemical equation

    asked by tom
  87. 12th grade Chemistry

    Mix 5mL of 0,002M Fe(NO3)3; 3mL of H2O; and 3mL of 0,002M KSCN.... how can you find the initial concentration of Fe and SCN??

    asked by Chris
  88. pre alg

    How do u find the GCF with exponets in a 7th gr. pre alg. class?

    asked by tay
  89. French for Anonymous to Sra

    its me again could u please tell me how to say by: to: due: I need it for my title page thanks again:)

    asked by Anonymous
  90. science

    1) which scientist's work did Copernicus contradict? 2) what made it difficult for him to prove his theory? i researched some site but still i don't get it...

    asked by jake
  91. English 3

    What are the 5 categories of rhetorical strategies? Give an example of what you might find in each category. D I S F O

    asked by Rindi
  92. math

    what relation is a doorstep to a doormat

    asked by paige
  93. French from Anonymous to Sra

    This is what my title pg is going to say could u please tell my is itf correct in the () is what i meant to say Unite d’ etude indépendant, (Independent study unit)

    asked by Anonymous
  94. Dr Bob

    What is the pH of the solution that results from mixing 5 ml of 0.2 M NaOH and 100 mL of 0.05 M lactic acid? (Pka of lactic acid= 3.86) Responses Use the Henderson-Hasselbalch equation. The mixture you have indicated will react to form a buffer, the base

    asked by Andrew
  95. geography

    Best resource for finding places by longitude/latitude on-ling

    asked by zach Barber
  96. statistics

    It's been a long time for me and I'm stumped. How do I arrive at: Odd numbers = 603, 22221, 24689? Even numbers = 67000, 99992? Thanks

    asked by Portia
  97. Science (weather & climate) -

    I just wanted to post this question once more. I have to go offline soon. Please go over my answers. Thanks True or false: 7.Eruptions fom volcanoes decrease global temperatures. I answered false because volcanes spew out CO2 into the atmophere. The

    asked by Twilight lover
  98. 7th grade

    what elements do all bases contain

    asked by Anonymous
  99. calculus

    Consider curve given by x^2+ 4y^2= 7 + 3xy.. Three part question A) show that dy/dx = 3y-2x/8y-3x B) Show that there is a point P with x-coordinate 3 at whiich the line tangent to the curve at P is horizontal. Find the y-coordinate of P. C) find the value

    asked by Jane
  100. Math

    The diameter of Earth is about 8,000 mi. Suppose a jet is traveling around Earth at an altitude of 30,000 ft. How many miles will the jet travel in a complete circle aroung Earth? a. 94,247.8 mi. b. 25,156.7 mi. c. 38,000 mi. d. 8,005.7 mi.

    asked by Dylan
  101. reading

    What is Tone/Mood?:}

    asked by mia
  102. art

    what art principle did goya use to paint charles iv and family?

    asked by whitney
  103. english

    I need help finding a good website that tells how dracula by bram stoker is a literary success. Also awards that Bram Stoker has received. I tried typing it in the search bar and i cant find anything. please help me!

    asked by trista
  104. chemistry

    how many electrons are shared by two atoms that form a triple bond?

    asked by chris
  105. Julius Caesar-Act 1, Scene 1

    When does the opening scene take place? What holiday is it? Is this answer correct: The opening scene takes place about 44 BC. It is February 15, the feast of Lupercal. This holiday celebrates fertility and honors the god Lupercus.

    asked by Anonymous
  106. Julius Caesar-Act 1, Scene 1

    Why does Marullus criticize the mob? Is this answer sufficient: Marullus criticizes the mob for wearing their best clothes and not their work clothes. He thinks they should be working, not celebrating. Should I add that Marullus also criticizes them

    asked by Anonymous
  107. speech

    What are the 5 Communication acts?

    asked by Josh
  108. Titration

    Which of the four solutions (all same concetrations, same volume) requires: a) the greatest amount of base for complete titration? b) the greatest amount of base to titrate to any given pH? HCl, acetic acid, formic acid, HNO3. i put HCl for both... is that

    asked by Andrew
  109. college algebra

    use the properties of exponents to simplify each expression.(2x0y4)3

    asked by crystal
  110. math

    Without adding write the following in standard form. 70+400+2+3,000+80,000=

    asked by Michele
  111. science

    why do cinder cone volcanoes have narrower bases and steeper sides than shield volcanoes do?

    asked by kenna
  112. college algebra

    explain why (x + y)2= x2 + y2

    asked by crystal
  113. HCA 220

    Use 10 medical words discussed in this week's reading to create a script of dialogue between two medical professionals.

    asked by tootie
  114. math

    The lunchroom workersare giving away free cookies today. They gave the first graders 4 cookies. They gave the second graders 8 cookies. They gave the third graders 12 cookies. They gave the fourth graders 16 cookies. If the pattern continues, how many

    asked by Michele
  115. math

    Alexander's back yard is in the shape of a pentagon. The perimeter is 134 meters. Four of the sides measure 20,21,32 and 35 meters. What is the length of the fifth side?

    asked by Michele
  116. chemistry

    what does small electronegativity difference reveal about the strength of a covalent bond?

    asked by annie
  117. chemistry

    Given that it has highest electronegativy can a flourine atom ever form a nonpolar covalent bonnd?

    asked by rebecca -- help
  118. supporting role

    What are supporting roles in the context of books, not movies? I can't find or think of a definition...

    asked by Anonymous
  119. collge alegrq

    (5m-6)(3m+4)

    asked by crystal
  120. college algebra

    (4m3-3m2+5)+(-3m3-m2+5)

    asked by crystal
  121. eth

    7- to 10-slide PowerPoint® that includes all of the elements in the Energy Resource Plan outline. Include speaker notes as appropriate and APA guidelines for any citations or references used.

    asked by Anonymous
  122. math

    Write a number sentence using all of the given numbers and symbols. 6,9,7,5,3,=,+,+,-

    asked by Michele
  123. college algebra

    find product (k+2)(12k3-3k2+k+1)

    asked by crystal
  124. chemistry

    what is the theoretical yield of lithium yield chloride

    asked by Sarah
  125. Dogs Hunting Training

    Please check my answer thanks :) Typically what is the generally recognized maximum distance for a retrieve ? A. 100 feet B. 250 feet C. 100 yards D. 200 yards My answer is C 100 yards

    asked by Mallie
  126. Chemistry

    Please help me with this problem: What is the balance chemical equation for Copper(II) sulfate+ copper-->

    asked by Milo
  127. Dog Hunting Training

    please check my answer thanks :) What is the distance of a lure course for a Junior Courser Title My answer is 600 yards

    asked by Mallie
  128. algebra

    (x+y)2#x^2+y^2

    asked by regina
  129. World History

    What were three products developed by the Tang

    asked by Jay
  130. chemistry

    How many carbon atoms contain the same amount of mass as one molybdenum atom? I don't think I learned about molybdenum atoms.

    asked by sh
  131. algerba

    what is the answer to 5(w-2)=15

    asked by maria
  132. logic

    Since the boolean interpretatrion doesn't acknowledge any relationship between categorical propositions but contradiction...if the two statements are related in some other way acknowledged on the square of opposition, such as through the relationship of

    asked by anonymous
  133. Chemistry

    What is the balance chemical equation for Al(s)+ H2O(l)-->

    asked by Milo
  134. writing

    1. High school is the time when some students begin to look for part-time employment. What is  a good part-time job for someone your age? Why would this job be appropriate for a teenager?

    asked by Bob
  135. Math 115 15 & 16

    #1. 10-15/(3)(6)-12 #2. 11-15/(6)(4)-18 this is what i come up with #1 -4/24-18=-4/6 #2 -5/18-12=-5/6

    asked by Deb
  136. HISTORY!!

    What were the types of activities that the traders of Fort Whoop-Up involved in? also.. While the Canadian government was deciding on the best solution for the West, an incident happened that caused the government to pass a bill immediately establishing

    asked by Beeca
  137. chemistry

    If you had one mole of pennies to divide among all the people in the world, how many dollars would each person receive? Use 5thousand as the population of Earth. how do you find how many pennies are in one mole?

    asked by sh
  138. 4th grade

    what volume of helium would be in a balloon the size of a 2liter soft drink?

    asked by kim
  139. Dogs Hunting Training

    Please check my answer thank you very much for all of your help :) Which of the following is not a trained ability ? A. Range B. Pattern C. Gun response D. Reponse to wind and scenting condititions My answer is C

    asked by Mallie
  140. Poem

    I wrote this poem is this a good title? Tribute to a Soldier Our eyes see a Soldier Who's sad, and brave Who has done what he could do For us today Our eyes see him glaring But he hates to look back He misses his family That is all he has left Our eyes see

    asked by Spongebob
  141. Science-7th grade

    the sides of the DNA ladder are made up of molecules of the sugar______and_______.

    asked by Pamela
  142. Poem

    I wrote this poem is this a good title There is a hero in everyone There is a hero in everyone Caring for others Giving strength, courage, and friendship To one another Heroes protect us In their special way They guide us, save us Each, and everyday Heroes

    asked by Spongebob
  143. Read this becca

    which one do you think i should present for school 2morrow it's so hard to choose

    asked by Spongebob
  144. Poem

    Is this a good poem title? Poem of fear Scared, frightened Deep inside Of what's going to happen I try to hide Terrified, weak I try to escape It holds me back And I can't find my way Horror, terror It's coming free It don't hurt anymore It was just a

    asked by Spongebob
  145. Physics

    A train travels 84 km/h when it reaches a slower train 47 meters ahead traveling the same direction at 24 km/h. If the faster train decelerates at 2.1 m/s^2 while the slower train is at a constant speed, when will they collide? If the train that is faster

    asked by Chloe
  146. Physics

    Just before landing on mars, a spaceshuttle turns on its retroengine and eventually comes to a complete stop 15 meters above the planets surface. It then drops freely down to the surface. How long does it take to fall to the surface.What is the impact

    asked by Chloe
  147. human resources

    why is communication vital to the success of every business organization?

    asked by China
  148. chemistry

    Calculate the molar mass of the compound 3.01x10^23 molecules of compound Z have a mass of 9g is it 3.01x10^23molescules x 1mol/6.02x10^23 x Z/1mol = 9g compound Z = 8g thanks in advance

    asked by sh