1. Managerial Economics

    A television station is considering the sale of promotional DVDs. It can have the DVDs produced by one of two suppliers. Supplier A will charge the station a set-up fee of $1200 plus $2 for each DVD; supplier B has no set-up fee and will charge $4 per DVD.
  2. literature

    Just as My Àntonia’s setting is initially raw and featureless, its narrative at first seems haphazard: “I didn’t arrange or rearrange. I simply wrote down what of herself and myself and other people’s, Antonia’s name recalls to me. I suppose it
  3. math

    A photograph is 4.5 in wide and 6 in. long. A yearbook editor has the photo reduced to fit a space 1.9 in. wide. How long is the reduced photograph?
  4. math

    A baseball diamond has 90 ft between each base A sofball diamond has 60 ft between each base How many yards longer is the space between bases an a baseball diamond than a softball diamond?
  5. Math

    A tennis court is 23.8 m by 11 m. A tennis club has 3 courts side by side in a fenced area. The courts have 3 m between them and 3 m around the outside. What are the dimensions of the fenced space? Please and thank you!
  6. Math

    You and your roommate have timed the necessary physical operations. The first physical production step is to wash out the mixing bowl from the previous batch, add all of the ingredients, and mix them in your food processor. The mixing bowls hold
  7. Stat

    Does anyone know how to solve for this Suppose that a principal of a local high school tracks the number of minutes his students spend texting on a given school day. He finds that the distribution of minutes spent texting is roughly normal with a mean of
  8. math

    3. new flowers are being planted in a circular flower bed with a 14 foot diameter if each flower requires 2 square feet of space about how many flowers can be planted? a.308 flowers b.154 flowers c. 77 flowers d. 66 flowers
  9. science

    LCL is the height where air has cooled to the dew point. We can calculate LCL using temperature and dew point at the surface. Like temperature dew point also decreases with height because of decreasing pressure. Ew point drops at the "de Point Lapse Rate
  10. Business

    I was asked to articulate what I feel are good traits of effective organization, as well as describe how I think culture affects the ability to handel change. I replied with a 350 word response, in my response i stated the "...culturally responsive; this
  11. Physics

    A piece of copper wire has a resistance per unit length of 5.95 10-3 /m. The wire is wound into a thin, flat coil of many turns that has a radius of 0.200 m. The ends of the wire are connected to a 12.0 V battery. Find the magnetic field strength at the
  12. math

    An urn holds 13 identical balls except that 2 are white, 4 are black, and 7 are red. An experiment consists of selecting two balls in succession without replacement and observing the color of each of the balls. How many outcomes are in the sample space for
  13. History

    Can you check my answers please. 1. Which are some characteristics of the middle colonies? Select 3 answers. A. some colonists were skilled artisans B. They were all established as royal colonies C. Most colonists settled for religious reasons* D.
  14. Physics

    Two small loudspeakers that are 5.50 apart are emitting sound in phase. From both of them, you hear a singer singing C# (frequency 277 ), while the speed of sound in the room is 340 . Assuming that you are rather far from these speakers, if you start out
  15. English 10th Literature

    What is the climax of "The Bass, the River, and Sheila Mant?" I always call it "the point of no return". The time in the story when there can be no other possible ending. Below is a site which will explain
  16. Algebra 1

    1.the number of bacteria present in a colony is 180 at 12 noon and the bacteria grows at a rate of 22% per hour. how many will be present at 8pm? 2.A 1970 comic book has appreciated 10% per year and originally sold for $0.35. What will it be worth on 2010?
  17. OCHEM

    What would be the effect of decrease the carrier gas flow rate, raise the column temp, have on the retention time? What would be the effect of raise the column temp and decrease the carrier gas flow rate on the ability to resolve two closely spaced peaks?
  18. Civics

    "Rule of law" refers to? Official name for the legislative branch of the national government of the united states Agencies such as the FBI, police department, and sheriff's department of the United States Document that details the structure, functions, and
  19. 8th Grade Space and Earth Science

    I have two questions about my study guide for my science test tomorrow. Thank you for any answers that I can get! How does the atmosphere give evidence for divine design? How can a satellite telephone user communicate if radio waves reflect off the
  20. Science HELP!!

    LCL is the height where air has cooled to the dew point. We can calculate LCL using temperature and dew point at the surface. Like temperature dew point also decreases with height because of decreasing pressure. Dew point drops at the "dew Point Lapse Rate
  21. English

    One of these sentences contains an error in sentence completeness (errors in sentences completeness, such as the omission of a verb or a preposition needed to complete the meaning of a sentence. 1. The meteorologist reported a hurricane was approaching. 2.
  22. AP Chemistry

    For the system 2SO2(g) + O2(g) <--> 2SO3 (g), change in enthalpy is negative for the production of SO3. At a particular temperature, 8.00 moles of sulfur dioxide and 10.00 moles of sulfur trioxide are introduced into a 2.00 L container. The system is
  23. physics

    While taking a plane flight to a meeting, a physicist decides to do a mental calculation of how much fuel the plane would consume in the absence of friction, assuming its engines have an efficiency of 22.0% and the mass of the plane is 200,000 kg. Each
  24. physics

    While taking a plane flight to a meeting, a physicist decides to do a mental calculation of how much fuel the plane would consume in the absence of friction, assuming its engines have an efficiency of 22.0% and the mass of the plane is 200,000 kg. Each
  25. Biology

    What are the levels of organization in a living system? LEVEL 1 - Cells Are the basic unit of structure and function in living things. May serve a specific function within the organism Examples- blood cells, nerve cells, bone cells, etc. LEVEL 2 - Tissues
  26. calculus honor

    A rectangular box has a square base with an edge length of x cm and a height of h cm. The volume of the box is given by V = x2h cm3. Find the rate at which the volume of the box is changing when the edge length of the base is 4 cm, the edge length of the
  27. calculus

    A rectangular box has a square base with an edge length of x cm and a height of h cm. The volume of the box is given by V = x2h cm3. Find the rate at which the volume of the box is changing when the edge length of the base is 12 cm, the edge length of the
  28. Database Design (SQL)

    Hi I need help creating an SQL query to display each faculty member's last name, comma, first name as a CONCATenated element, then their salary as CONCATenated element with a dollar sign and comma. Then, the boss's last name, comma, first name as a
  29. Database Design (SQL)

    Hi I need help creating an SQL query to display each faculty member's last name, comma, first name as a CONCATenated element, then their salary as CONCATenated element with a dollar sign and comma. Then, the boss's last name, comma, first name as a
  30. Managerial Economics

    (Economyst Only Please): A television station is considering the sale of promotional DVDs. It can have the DVDs produced by one of two suppliers. Supplier A will charge the station a set-up fee of $1200 plus $2 for each DVD; supplier B has no set-up fee
  31. chemistry

    The cell shown above is a concentration cell. Both cells contain a copper solution and have copper electrodes. The only driving force for this cell is the difference in the concentration of the copper solutions. The system will react to equalize the
  32. Calculus AP

    Can someone help me step by step how to find the answer to this problem. The amount of air in a balloon at time t is given by the equation a(t)=3tsint+t^2 where t is measured in seconds and the amount of air is measured in cubic centimeters. a. what is the
  33. english

    15. In Langston Hughes’s short story “Why, You Reckon?” what motivates the narrator to get involved in a scheme to rob a white person? (1 point) greed—he wants to earn more money in order to buy nicer things hunger—he needs the money to buy more
  34. math (5)

    The monthly profit (in dollars) of Bond and Barker Department Store depends on the level of inventory x (in thousands of dollars) and the floor space y (in thousands of square feet) available for display of the merchandise, as given by the equation below.
  35. math

    A specific brand of bike comes in two frames, for males or females. Each frame comes in a choice of two colors, red and blue, and with a choice of three seats, soft, medium, and hard. a) Use the counting principle to determine the number of different
  36. statistics

    A specific brand of bike comes in two frames, for males or females. Each frame comes in a choice of two colors, red and blue, and with a choice of three seats, soft, medium, and hard. a) Use the counting principle to determine the number of different
  37. math

    A specific brand of bike comes in two frames, for males or females. Each frame comes in a choice of two colors, red and blue, and with a choice of three seats, soft, medium, and hard. a) Use the counting principle to determine the number of different
  38. Science 4

    Most stars probably formed A.alone B.in intergalactic space, then were swept up into the Galaxy C.in clusters in the Galaxy's spiral arms D.from planetary nebulae E.in the galactic Nucleus, then migrated outward later I'd guess roughly C ...but im no
  39. cultural diversity

    NAEYC supports "third space" thinking as a desirable technique for use in A. stimulating children's right-brain processes. B.enhancing staff performance in the early childhood setting. C.Resolving conflicts, especially those involving cultural issues.
  40. math (5)

    The monthly profit (in dollars) of Bond and Barker Department Store depends on the level of inventory x (in thousands of dollars) and the floor space y (in thousands of square feet) available for display of the merchandise, as given by the equation below.
  41. Chemistry

    1. The reaction, CO(CH2COOH)2 CO(CH3)2 + 2CO2, follows first-order kinetics and has an activation energy of 96.6 kJ mol-1. At 293 K, k = 0.133 s-1. Find the temperature (in K) at which half-live will be 0.00692 min? Round your answer to 3 significant
  42. Physics

    A certain parallel capacitor consist of two identical aluminium plates, each of area 2times 10^-4m^2. the plates are separated by a distance of 0,03mm, with air occupying the space between the plates. CALCULATE THE CAPACITANCE OF THE CAPACITOR. AND ALSO
  43. Physics

    A girl delivering newspapers covers her route by traveling 2.00 blocks west, 5.00 blocks north, and then 8.00 blocks east. (a) What is her resultant displacement? (only enter the angle of the resultant in the answer space below, not the distance) enter it
  44. health

    choose a tv show that you enjoy and use the chart to emanine how the characters show empathy toward one another.which actions show compassion?which one don't?once you've completed the chart,pick one sence from the episode and determine how the characters
  45. Physics

    A girl delivering newspapers covers her route by traveling 2.00 blocks west, 5.00 blocks north, and then 8.00 blocks east. (a) What is her resultant displacement? (only enter the angle of the resultant in the answer space below, not the distance) enter it
  46. geo

    Which statement about fishing in russia is TRUE? A)Russia's salmon catch is decreasing B) All of the fishing industry depends on sturgeon C) fishing is important to the econonmy despite polluted waterways. D) Russia's fishing exports double every year.
  47. math algebra

    At your local bar, chicken wings cost $0.30 a piece on Thursday night. Sriacha Ranch dressing (enough for 10 wings), cost $0.10 per serving. A pitcher of of ice tea cost $7.50 and a serving of celery cost $2.50 . Tax in your part of LA County is 8.5% and
  48. college finance

    37. Morage Corp. is replacing an entire baking line that was purchased for $420,000 and currently has a book value of $60,000. The new, more efficient line, will cost $940,000 installed and can be depreciated as a 7-year MACRS asset. With the increased
  49. Algebra

    A homeowner wishes to insulate her attic with fiberglass insulation to conserve energy. The insulation comes in 40-cm wide rolls that are cut to fit between the rafters in the attic. If the roof is 6 m from peak to eave and the attic space is 2 m high at
  50. Chem

    Suppose you have Avogadro\'s number of mini marshmallows and use them to cover the state of California which has a land area of 1.560 × 105 mi2. Each mini marshmallow has a diameter of 0.635 cm and a height of 2.54 cm. Assuming the marshmallows are packed
  51. statistics

    An expert witness in a case of alleged racial discrimination in a state university school of nursing introduced a regression of the determinants of Salary of each professor for each year during an 8-year period (n = 423) with the following results, with
  52. physics

    A block of mass 0.49kg starts from rest at point A and slides down a frictionless hill of height h. At the bottom of the hill it slides across a horizontal piece of track where the coefficient of kinetic friction is 0.28. This section (from points B to C)
  53. Earth's Dynamic Atmosphere

    The Sun heats the Earth. The Earth then reradiates this heat energy back into space. However, the amount of _______ in the air plays a key role in absorbing much of this exiting heat and warming Earth's atmosphere. A. carbon dioxide B. nitrogen C. oxygen
  54. Science 1 question SPACE

    I re-posted this question because noone helped and I need help fast! I am doing a project on the planet uranus and I need a map showiong the path to my planet that i have chosen. The picture of the path must include asteroids, comets or other interesting
  55. physics - linear momentum with rockets

    A rocket of total mass 3180 kg is traveling in outer space with a velocity of 115 m/s. To alter its course by 35.0 degrees, its rockets can be fired briefly in a direction perpendicular to its original motion. If the rocket gases are expelled at a speed of
  56. Thermodynamics

    Consider air as an ideal gas with Cp=1000 J/(kg.K), R=287 J/(kg.K) and γ≈1.4. It is compressed from 1 bar, 300K to 10 bar using a compressor. The compressor can be considered adiabatic but not reversible. The flow rate is 2 kg/s, and the entropy
  57. check+ please!

    The following statement describes, in random order, events during the transmission of a nerve impulse. Use them to answer the next \g question(s). Event 1: Positive ions flow into the neuron. Event 2: The resting potential of the cell membrane is restored.
  58. check!

    The following statement describes, in random order, events during the transmission of a nerve impulse. Use them to answer the next \g question(s). Event 1: Positive ions flow into the neuron. Event 2: The resting potential of the cell membrane is restored.
  59. Bio _

    The following statement describes, in random order, events during the transmission of a nerve impulse. Use them to answer the next \g question(s). Event 1: Positive ions flow into the neuron. Event 2: The resting potential of the cell membrane is restored.
  60. Physics

    Can you please explain further because I don't understand? Two parallel slits are illuminated by light composed of two wavelengths, one of which is 645 nm. On a viewing screen, the light whose wavelength is known produces its fifth dark fringe at the same
  61. Algebra

    Swimming space. The length of a rectangular swimming pool is 2x - 1 meters, and the width is x + 2 meters. Write a polynomial A(x) that represents the area. Find A(5). I have the polynomial being: A(x)=2x^2+3x If I find A(5): 2*5^2+3*5 2*25+15 65 meters.
  62. space

    1 what is the name of the first man to move round the orbit round thesun 2 the first man to move in the orbit round the sun 3 tts country 5 the year of travel 7 the month YHANKS!!!!!!!!!!!!!!!!!!!!!!
  63. Science

    Define mass How much something weighs Define volume The amount of space in something Define density and show the formula for calculating density The amount of mass or matter in an object D=M/V
  64. Calculus

    A piece of ice stays in the shape of a sphere as it melts. The volume of the ice is decreasing at a constant rate of 3π/2 cubic feet per hour. What is the rate of change of the surface area of the piece of ice when the radius is 10 feet? I found the rate
  65. Physics

    A quarterback throws a football toward a receiver with an initial speed of 21 m/s at an angle of 30° above the horizontal. At that instant, the receiver is 12 m from the quarterback. In what direction and with what constant speed should the receiver run
  66. english

    I am working on identifying and classifying infinitives. It asks how the infinitive is used whether as a noun, adjective or adverb. Can you please check my homework for corrections? Thank you so much! 1 Tamisha's ambition is to teach. noun (to teach) 2. To
  67. business math

    Dennison Property Company purchases a new office space for lease to small businesses for $2,400,000, including a land value of $400,000. The property is placed in service on March 15, 1999. Using MACRS, what is the depreciation on this property at the end
  68. math

    A picture is 42 cm by 36 cm. A scale diagram of the picture must fit in a space that is 3 m by 2 m. Write a reasonable scale for the scale diagram.
  69. Grade 9 Greatest Common Factor Algebra

    Joey is having a party during the Major League Soccer championship game. In order to make sure his guests are happy, he ordered the following appetizers from a nearby restaurant. 15 egg rolls 3 10-slice pizzas 120 chicken wings 30 cheese sticks 5. What is
  70. Bio + check!!

    The following statement describes, in random order, events during the transmission of a nerve impulse. Use them to answer the next \g question(s). Event 1: Positive ions flow into the neuron. Event 2: The resting potential of the cell membrane is restored.
  71. Bio+ chcekc!

    The following statement describes, in random order, events during the transmission of a nerve impulse. Use them to answer the next \g question(s). Event 1: Positive ions flow into the neuron. Event 2: The resting potential of the cell membrane is restored.
  72. algebra 2(check)

    1)Choose the correct description of the system of equations:2x+3y=10 and 4x+6y=20. I got consistent/dependent 2)The first equation of the system is multiplied by 2. By what number would you multiply the second equation to eliminate the x variable by
  73. statistics

    Give examples of nominal, ordinal, interval. and ratio data. Then, convert your ratio data example into interval, ordinal, and nominal scales. Measurement Scales Practice 1. Indicate the first letter (N, O, I, R) of the highest possible scale for each of
  74. Solar Energy Please Help

    Consider a PV module with the following parameters as measured at STC (Standard Testing Conditions): Voc = 55 V; Isc = 5 A; Impp = 4.7 A; Fill Factor = FF = 75% ; Efficiency = 19.75%. Suppose that under normal operation at STC conditions, the module is not
  75. Solar Energy

    Consider a PV module with the following parameters as measured at STC (Standard Testing Conditions): Voc = 55 V; Isc = 5 A; Impp = 4.7 A; Fill Factor = FF = 75% ; Efficiency = 19.75%. Suppose that under normal operation at STC conditions, the module is not
  76. Physics .. hard problem

    An overly eager physics student wants to confirm that the acceleration of gravity is ag=9.8 m/s^2. To check this, the student steps off the roof of the Sears Tower (height at the sky deck 427m). The rocketeer (who arrived five seconds after the student
  77. Science 7R (Lab questions)

    We did a lab today at science and for homework we have to answer questions about the Lab. I need help on 2. 12. Name two ways that a plant and animal cells differ in structure? 13. How are plant and animal cells different in function? She said that we have
  78. math

    The Washington Monument is the tallest structure in Washington D.C. At the same time the monument casts a shadow that is about 500 feet long, a 40 foot flagpole nearby casts a shadow that is about 36 feet long. Make a sketch. Find the approximate height of
  79. economics

    A perfectly competitive painted necktie industry has a large number of potential entrants. Each firm has an identical cost structure such that long-run average cost is minimized at an output of 20 units. The minimum average cost is $10 per unit. Total
  80. literature for kids

    Mrs. Edwards read Owl Moon to her class. As she read, she paused from time to time to allow the children time to think about the story. She used a different voice for each character. When she finished, she asked questions that helped her students
  81. Science

    1. The human endocrine system is made up of which of the following structures? (1 point) vessels receptors glands * chambers 2. Which of the following best describes the function of the endocrine system? (1 point) It secretes chemical messengers that
  82. Civics

    "Washington lobbyists are working in Congress to block the rural reforms you (small farms) need," Obama said. "Rather than investing in rural opportunity, our government is handing out subsidies (money) to corporate mega-farms. Over the past decade, our
  83. Physical Science- Atomic Structure

    An electron jumps from energy level 1 to energy level 2 by absorbing a photon of energy 8 eV. What is the most likely energy of the photon that will be emitted by the electron when it moves back down to energy level 1? 2 eV 4 eV 8 eV 12 eV
  84. Physics

    Supercapacitors, with capacitance of 1.00F or more, are made with plates that have a spongelike structure with a very large surface area. Determine the surface area of a supercapacitor that has capacitance of 1.0F and an effective separation between the
  85. Thermodynamics

    Consider air as an ideal gas with Cp=1000 J/(kg.K), R=287 J/(kg.K) and γ≈1.4. It is compressed from 1 bar, 300K to 10 bar using a compressor. The compressor can be considered adiabatic but not reversible. The flow rate is 2 kg/s, and the entropy
  86. spanish: Please help me remember one easy word

    How do you say "to" in Spanish, as in; Would you like to.... You have to give the rest of the sentence in order to answer that question. You have to give me the word that follows "to" because that's how it works in spanish. the spanish word for that kind
  87. physics

    To create artificial gravity, the space station is rotating at a rate of 1.00 rpm.the radii of the cylindrically shaped chambers have a ratio ra/rb that equals 4.00. each chamber A simulates an acceleration due to gravity of 10.0m/s^2. find values for a)ra
  88. Physics

    Comic-strip hero Superman meets an asteroid in outer space, and hurls it at 750 m/s, as fast as a bullet. The asteroid is three thousand times more massive than Superman. In the strip, Superman is seen at rest after the throw. Taking physics into account,
  89. physics

    A space habitat for a long space voyage consists of two cabins each connected by a cable to a central hub as shown in the figure below. The cabins are set spinning around the hub axis, which is connected to the rest of the spacecraft to generate artificial
  90. Business

    PLEASE HELP 1.Create a diagram of the U.S banking system and the Federal Reserve System(FRS). Include special financial services of the banking system in your diagram. Be creative in this activity. Pretend you have been asked to teach the structure and
  91. chemistry

    if compound forms by ionic bonding, which is not true? A. a positively charged atom or group of atoms attracts a negatively charged atom or group of atoms B. the net cgare of the compound is zero C. the compund consists of just two atoms, each of opposite
  92. 7th grade language arts Ms. Sue please

    1. If you were writing a persuasive essay about the need to install solar panels on top of big apartment buildings, what counterargument should you address? (1 point) Homeowners can get tax breaks for installing solar panels on their homes. People are
  93. Economics

    Assume that there is a perfect competition market for a good X. If one supplier all of a sudden wins the lottery and buys all the other firms that make good X and turns this market into a monopoly. Describe to me the difference in price and total output
  94. chemistry

    consider the following reaction CH3X + Y---> CH3Y + x at 25 degree celcius the following two experiments were run, yielding the following data: experiment 1 [Y]0=3M [CH3X] time 7.08×10^-3 1 4.52×10^-3 1.5 2.23×10^-3 2.3 4.76×10^-4 4 8.44×10^-5 5.7
  95. physics

    check which of the following modifications to a solenoid would be most likely to decrease the strength of its magnetic field? a. removing its iron rod core and increasing the number of coils b. increasing the current and reducing the number of coils c.
  96. asessment

    a very young child takes off his socks. the caregiver puts it back on, the child takes it off again repeating it. child is engaged in play (d) (a)functional b. constructive c, rule-based d. dramatic 2. which of the foll. is best suited to a formative
  97. asessment

    a very young child takes off his socks. the caregiver puts it back on, the child takes it off again repeating it. child is engaged in play (d) (a)functional b. constructive c, rule-based d. dramatic 2. which of the foll. is best suited to a formative
  98. cultural diversity

    1. National Association for the Education of Young Children supports "third space" thinking as a desirable technique for use in: A. Stimulating children's right-brain processes. B. Enhance staff performance in the early childhood setting. C. Resolving
  99. FIN

    Brady Corporation is a leader in identification, safety, and material solutions. In 1998, the firm was hit hard by faltering foreign markets, so it embarked upon an aggressive campaign to redesign its cost structure. The firm believes this will help it to
  100. history

    Which most accurately describes the structure of the Roman government when it was a republic? A: The Roman government was a dictatorship in which an emperor ruled by divine right. B: The Roman government consisted of two consuls and the senate. C: The