physics please HELP !

130,813 results, page 54

  1. Engineering Kinematic

    The particle travels along the path defined by the parabola y=0.5(x^2). If the component of velocity along the x-axis is v=5t [m/s], determine the particle's distance from the origin and the magnitude of its acceleration when t=1s. The initial condition is t=0, x=0 and y=0. ...
  2. art

    Can someone please help me find some information on this sculputre: A Young Woman of Trastévère, by Charles Cordier ? I have to write a few pages about it, but I can't find much about this piece online. Google isn't giving many results either. Please help me!
  3. marketting ,,,,,,please help me asap

    please is any one can hel me to answer this question as soon as possible thanks a lot. question in the subject marketing. 1.what distribution decisions would a new firm RENTS VANS to small business, seasonal business have to make?
  4. Science

    Can someone please help me please thank you. Climate change is an environmental issue in the news almost daily, and air pollution impacts us on a global level. What are the implications of global warming? Do you think the efforts to improve air quality are worth the economic ...
  5. Math, Please Help!!!

    an engineer designs a satellite dish with a parabolic cross section. The dish is 15 ft wide at the opening and the focus is placed 4 ft from the vertex. find an equation of the parabola. I know how to work this problem, but how do I know that I use the equation y^2 = 4px ...
  6. Biology please help anybody!

    there's this a level question in a ten-year series book in 2008, the question asks what is the sequence in which it occurs: 1. polyadenylation 2. removal of introns 3. splicing exons 4. capping And the options given are: a) 1,3,2,4 b) 2,4,1,3 c) 3,1,4,2 d) 4,2,3,1 I've looked ...
  7. Spanish-Please check my work

    Could someone please check this for me. I had to rewrite the following sentence using a direct object pronoun in two different ways. I wrote: Nosotros queremos leerlos. Los hosotros queremos leer. Thank you for checking
  8. Chemistry(Please help)

    Calculate the pH of an aqueous solution of 0.15 M potassium carbonate. I know that pH = -log(H30+) but I am not sure how to start this problem. Chemistry(Please help) - DrBob222, Saturday, April 14, 2012 at 11:09pm Hydrolyze the CO3^2-. CO3^- + HOH ==> HCO3^- + OH^- Do an ...
  9. Math

    please help please show work so i can do others ok so i have to find the equation of the linethat contains given point and is parallel to the given line then write a slope intercept form if possible (8,-4) y=-1/2x+11 I also have to do the same for this type and im stuck too (-...
  10. math

    please help me I need to finish this so that I can go into grade 11. A new water tower must be equidistant from three communities. They are located at (-25, 20) (-5, -40) and (15, 30). Find the coordinates of the point where the water tower should be built which i am assuming ...
  11. Probability

    If X is a normal random variable with mean 11, and if the probability that X is less than 12.10 is .72 , then what is the standard deviation of X? Select one: a. 3.00 b. 6.25 c. 2.50 d. 1.25 Please note that the answer for the above is stated as c.2.50. However, my answer ...
  12. 8th grade reading ! please help !

    I have a presentation due tomorrow on a connection that I made with the Anne Frank Remembered novel but I cant think of an item that I can connect to the novel.. I need help. It has to be one paragraph about the connection and it can be a song,poem,or object. Please help me !
  13. Algebra please explain

    A boat costs $92,000 and depreciates in value by 15% per year. How much will the boat be worth after 10 years? 18,112.45 78,200 18,941.98 69,000 Is the answer the first one? Could somebody write down the steps for me please? Thanks
  14. Math

    Use the circle graph to determine how many hours per day Becky spends on each activity. School=25% Eating=10% Sleep=40% Homework=10% Freetime=15% I think my answer would be 25/100=x/1 4 hours Can you please check my answer,Please help me I am a little lost.
  15. Algebra 2

    Can somebody please give me a short explanation (like, a very simple sentence) on how exponents and algorithms are related? I know what they are (for example:) Exponents are the inverse of logarithms and vice versa. 6^2 = 36 Log6(36) = 2 But can somebody please help me explain...
  16. math

    if m<4=25*, then what is m<8 Would it be 75* Sorry im asking a lot of questions but im taking a mathe test and im struggling on it and I re read my lessons but I still don't get it as good and im one lesson behind in math so I have to finish my test before I can move on ...
  17. Math BOBPURSLEY HELP HELP HELP HELP

    Law of Gravitation- Find an expression for the magnitude of the initial velocity that a projectile must possess in order to leave the earth when air friction is neglected. The gravitational constant for g is, G = 6.67428*10^-11 m^3 Kg^-1 s^-2 Please answer the question fully ...
  18. 7th grade Lang. Art

    Please find the synonym of this word: APPEAR List of words to choose from: animated brood culminate downright drone goad indulge literate loom luster miscellaneous oration peevish seethe singe unique upright verify yearn please help thank you
  19. Physics help

    i don't know how to apply formula in physics questions...and tommorow is our periodical examination.. Well, it is too late to help you. I suggest a tutor twice a week, or you will surely fail. Discuss this with your parents quickly.
  20. physics

    to prevent dust and soot particles from polluting the atmosphere, industry often employs static electric charge in their smokestacks. explain the physics principle involved in this application
  21. Physics

    It's called Mike's Online Biology: MOB University. Click physics Tutoring tab -> chapter 9 -> scroll down to question #13 with video below it. I used it as a guide.
  22. physics

    The potential energy of a particle on the x-axis is given by U= 8xe ^-x ^2/19 where x is 1 meter and U is in Joules. Can you explain for me how to find the point on the x-axis for which the potential is a maximum or minimum and is this answer a point of maximum potential ...
  23. Physics

    A woman on a bridge 75.0m high sees a raft floating at a constant speed on the river below. She drops a stone from rest in an attempt to hit the raft. The stone is released when the raft has 7.00m more to travel before passing under the bridge. The stone hits the water 4.00m ...
  24. Physics

    A 60 man choir sings with the sound intensity of 70 dB in a 12m distance from the choir. a) What is the average sound intensity in this distance? b) What is the sound intensity in a 20 m distance ? Help please :)
  25. physics

    I don't know why my answer is wrong for this question. My answer is .8H. If you can help me,please do so because I got stuck at this question for a whole week. Please show me with steps. If you got ignore by the same question, I'm more ignore by it then you. A solid cylinder ...
  26. English please check answer

    Please see if I Have the right answer thank you for your help . You are asked to change plural medical words to the singular form. Which of the following combinations represents the correct conversion ? A. Criterion, criteria B. Bacteria,bacterium C. Lumen, lumina D. Ganglion...
  27. english -- REALLY SIMPLE TO ANSWER! :)

    hey! okay so i have to write a short story for english, but it has to be based on a historical or current event, and i don't know what to do! i tried to do something about hurricane katrina, but i was getting no where with that. so i gave up on it. haha. so if anyone has any ...
  28. please help!

    You are 10 m away from a sound source of intensity comparable to the background noise in a very quiet room (20 dB). If you want the intensity in dB to double, you must move to a distance ... A) 100 m B) 20 m C) 7 m D) 5 m E) 1 m the answer is 1 m, but I'm not sure how to ...
  29. Biology (URGENT PLEASE!)

    This is a question of my last biology test: Name at least one technological device that would have not been invented without scientific knowledge: A.Radio B.Ruler C.Knife D.None of the above I answered D but got a cross for it. So can you please help me to solve what is the ...
  30. Psychology

    Someone please help! I'm having a hard time with this question. Please help! If a person believes that his or her mind is being controlled by outside forces or that he or she is getting special coded messages from the television, this person is experiencing which type of ...
  31. english-Please help me i'm stuck

    Solutions offered by "An enemy of the people" I got this so far I just need to more please help!!.. 1-New taxes on the townspeople 2- baths needed to be repaired 3- keep the Baths open and correcting the problem 4-The pipes must be re-laid in order to purify the water. 5-? 6-?
  32. Physics (please help!!!!)

    Calculate the magnitudes of the gravitational forces exerted on the Moon by the Sun and by the Earth when the two forces are in direct competition, that is, when the Sun, Moon and Earth are aligned with the Moon between the Sun and the Earth. This alignment corresponds to a ...
  33. Physics (please help!!!!)

    Calculate the magnitudes of the gravitational forces exerted on the Moon by the Sun and by the Earth when the two forces are in direct competition, that is, when the Sun, Moon and Earth are aligned with the Moon between the Sun and the Earth. This alignment corresponds to a ...
  34. Physics (please help!!!!)

    Calculate the magnitudes of the gravitational forces exerted on the Moon by the Sun and by the Earth when the two forces are in direct competition, that is, when the Sun, Moon and Earth are aligned with the Moon between the Sun and the Earth. This alignment corresponds to a ...
  35. modern physics

    a record player is switched from 33rpm to 45rpm.The artable changes speed in 2.0s.Calaculate its average angular acceleration and the average tangential acceleration of a point on the turnable that 15cm from the axis rotation. Why are you posting in multiple names? Please don'...
  36. physics

    PLEASE HELP ME SOLVE !!!! InMay 1998, forest fires in southernMexico and Guatemala spread smoke all the way to Austin. Those fires consumed forest land at a rate of 26900 acres/week. On the average, how many square meters of forest are burned down every minute? An acre is an ...
  37. physics

    tank of water with L=6m, W=3m, H=4m. 1) Find the force on the bottom of the tank from water. (ignore atmosphere pressure). 2) If the door to the tank is 1.5m by 1.5m and it is 2.25m (center bottom)from the edge of the tank, what is the force on the door and the position of ...
  38. Math check my answers please

    1. x/5=-2 A. -45 B. 35 C. -10 D. 21 2. 13x - 7= 136 A. 11 B. 15 C. 8 D. 9 Solve the following equation 3. 3x - 3=15 A. 4 B. 5 C. 6 D. 7 4. Ernesto loses 14.5 pounds in 7 months. Now he weighs 156.5 pounds. Which equation can be used to find how much he weighed before? A. x+14....
  39. statistics- normal standard distribution

    a set of data is normally distributed with a mean of 500 and standard deviation of 100: *what would t he standard score for a score of 700 be? According to my calculations 700-500/100=200/100=2 how would i interpret that. please show work. i know that i went wrong somewhere, ...
  40. physics, please help check

    A rocket car is traveling on a linear horizontal frictionless track when it suddenly runs out of fuel. The car has achieved a speed of 100 meters per second at the very moment the fuel is completely spent. The track then suddenly changes to a 30-degree incline from the ...
  41. Math Help please!!

    how do you do these problems?? 5-26 2-2/9 8-2/3 4/3+6 But I can do these types pf problems ( don't need help with problems below) 3/4 + 1/10 and 5/6 - 1/4 Please Help!! Thanks!!!
  42. calc check please?

    Given the differential equation: dy/dx = y(1+x), y(0)=1, Use Euler's method with step size .1 to approximate y(.3). ... please check this for me! no one has responded to this question yet.. thanks. y' = y(1+x), y'(0) = 1(1+0)=1 ->the solution has slope 1 at the point (0,1...
  43. CALC HELP ASAP

    suppose you need to construct a cone who surface area is 100 sq in. (A= pi*r*(sqrt( r^2+h^2), this is the amount of carboard needed to construct the cone. find values of r and h that will maximize the volume of the cone (V= (pi/3)r^2h Please help. explanations and steps please...
  44. Math

    please help find the equation of the line with the given properties. write the equation in slope intercept form if possible 1. contains (-5,6) and (4,8) 2. contains (-5,-4) and is parallel to x=5 3. contains (-7,8) and is perpendicular to y=-6 please show how you got the ...
  45. Math please check

    I think I have the right answer, but I am not 100% sure how to do the values at (1,-1) and the one below at (0,-1, 1). Please explain how I need to approach how to do these. Thank You! Calculate the partial derivative @f/@x, @f/@y and @f/@x | (1,-1), and @f/@y | (1,-1) f(x,y...
  46. Math

    You wish to paint your room. It's four walls measures 9ft high and 10ft wide. If one gallon of paint covers 120sq. ft, how many gallons of paint will you need? Please help?!!! Need this. Urgent.. With solutions please 🤖
  47. Physics

    The work function for potassium is 2.24eV. If potassium metal is illuminated with light of wavelength 310 nm, find the maximum kinetic energy of the photoelectrons. I have tried everything and still keep getting the wrong answer. The speed of light is 3 × 108 and Planck’s ...
  48. Help please!!

    I am currently inrolled in a biology class, I pay attentionin class, I take all the notes possible, I study for the test at least 4-5 days in advance. I am putting 110% of my effort into this class. I am an A student but I am getting d's on the tests. I don't know what to do. ...
  49. Humanities, social studies

    Can someone please give me links or answer these questions: What Culture did the Burgundians have? if so, what did they do (culturally) How did the Burgundians Are they a democracy, monarchy, etc.? How did they make money (politically and economically) I can't find a brief ...
  50. Physics

    A 50 kg skater at rest on a frictionless rink throws a 2 kg ball, giving the ball a velocity of 10 m/s. Which statement describes the skaters subsequent motion? Explain please. a. 0.4 m/s in the same direction as the ball. b. 0.4 m/s in the opposite direction of the ball. c. 2...
  51. Physics

    Please help me with these three questions,they deal with coefficient of friction 1) A car rounds a turn of radius 25m at a speed of 20m/s. Find the coefficient of friction neccessary to keep the car on the road 2) A man is attempting to slide a piece of furniture weighing 750N...
  52. physics

    i posted this before but no one answered. please help me: A net force of 1.6×10−15 N acts on an electron over a displacement of 5.0 cm, in the same direction as the net force. (a) What is the change in kinetic energy of the electron? (b) If the electron was initially at...
  53. Physics

    Jessica's weight is 540 newtons. According to the Third Law, if the Earth pulls on Jessica with a force of 540 N, then Jessica pulls on the Earth with a force of 540 newtons that acts in the opposite direction. However, if Jessica stumbles while rollerblading, she will fall ...
  54. Repost physics

    Suppose the position of an object is given by ->r(vector) = (3.0t^2*ihat - 6.0t^3*jhat)m. Where t in seconds. Determine its velocity ->v as a function of time t. Determine its acceleration ->a as a function of time t. Determine ->r at time t = 2.5 s. Determine ->...
  55. physics

    A student throws a set of keys vertically upward to her sorority sister, who is in a window 4.30 m above. The keys are caught 1.30 s later by the sister's outstretched hand. (a) With what initial velocity were the keys thrown? _____________ m/s upward (b) What was the velocity...
  56. Physics

    You want to take a full length photo of your friend who is 2 m tall, using a 35 mm camera having a 50 mm lens. The image dimensions of 35 mm film is 24 mm by 36 mm, and you want to make this a vertical photo in which your friend's image completely fills the image area. (a) How...
  57. Physics

    You want to take a full length photo of your friend who is 2 m tall, using a 35 mm camera having a 50 mm lens. The image dimensions of 35 mm film is 24 mm by 36 mm, and you want to make this a vertical photo in which your friend's image completely fills the image area. (a) How...
  58. algebra

    write an equation of the line containing the given point and parallel to the given line (3,-3) 7x-2y=5 need help please 7(3)-2(-3)= 5 ? 21- 6= 5? this does not look right, please show me where I am supposed to place the (3,-3)to solve the equation thanks
  59. social studies

    list some jobs people can do that use few resources. I can't think of one so please DON'T give me any websites but please LIST a few jobs. It would be a great help.
  60. Sapnish-Please check SraJMcGin

    Please check if you have time we had to select the correct answer for the two questions 1.¿Ellas te escuchan? Ellas me escuchan. 2. ¿Me escuchas? Te escucho.
  61. math(check answers please)

    PLEASE CHECK THESE ANSWERS compare the pair of numbers use <,>,= 3/4 _ 6/8 A.3/4=6/8(I PICKED THIS) B.3/4<6/8 C.3/4>6/8 Write the decimal as a fraction or mixed number in simplest form. 3.45 A.4 3/4 B.4 9/20 C.3 3/4 D.3 9/20(I PICKED THIS
  62. Chemistry

    How many moles of steric acid are contained in 0.25mL of a hexane solution containing 5.4x10^-4 grams of steric acid/L? (Hint: g/L x L = g/ (g/mol)=mol). Please show your work. Please help. Thank you
  63. Chemistry

    How many moles of steric acid are contained in 0.25mL of a hexane solution containing 5.4x10^-4 grams of steric acid/L? (Hint: g/L x L = g/ (g/mol)=mol). Please show your work. Please help. Thank you
  64. English

    I forgot to include the following sentences when describing the school day. As I couldn't send you my previous post, I typed "Jane" (to see if something changed.) Can you please check them please? 1) We have lessons (or we go to school) from Mondays to Fridays. 2) We have a 15...
  65. CALCULUS

    I got this problem but its unrelated to any material that we worked on. Can some please help me to solve it and please explain it. Thanks Problem states: Given: x+(1/x)= square root of 3 PROVE: (x^13)+(1/(x^13))= square root of 3
  66. Dr. Bob

    Dr. Bob, can you please tell me if I did my chem questions right... they have been sitting down there all day and all i need is someone to check if they are right please and thank you
  67. AP Economics

    Identify land, labor and capital as the three factors of production and give examples. I have explained about land. can someone please help me with labor and capital? please! Thank you
  68. Partial Derivatives

    How do you take the partial derivative of y = (1200z1z2)^1/2 in respect to z1. Please note z1 and z2 are variables. f'z1 = (1200^1/2)(z1^1/2)(z2^1/2) f'z1 = ?? the answer is... f'z1 = ((1200^1/2)(z2^1/2))/((2(z1^1/2)) but I do not know how to get this answer. Please help me by...
  69. Math

    Could someone please help me with this problem. I have worked most of it out but now I'm not sure what to do. Multiply ans simplify. (x-9/4)(x+4/9) Here is what I have so far: x(x+4/9)-9/4(x+4/9)= x^2+4/9x-9/4x-9/4-4/9= x^2+4/9x-9/4x-1= This is where I'm not sure what to do. ...
  70. Chemistry

    Since the oxidation number of Chromium is +3, and the oxidation number of Silicon is -4. Why is the chemical formula for Chromium III Silicide Cr3Si2? Can somebody please explain to me please???????THANKS A LOT!!!
  71. English please help!!!!!

    In the book The Pearl By John Steinbeck. The rich and powerful usually dominate the poor and uneducated. In the book who was rich?who did they dominate? Please give me alot of information
  72. Social Studies 8R - help! (please read)

    How many employees in the Carnegie Steel Company have? How much money was it worth? How much money it made in a year? I read wikipedia.... not there... please help!
  73. maths

    the sum of first 8 terms of an arithmetic progression is 156.the ratio of its 12th term to its 68th term is 1:5.calculate the first term and the fifteenth term. please help this questions please.
  74. English 10

    I have to a narrative argument about the human nature in the book Lord of The Flies. Any ideas what examples of human nature in the book i can use? please help this is urgent. Please!!
  75. Circle geometry

    The endpoints of the arms of an inscribed angle are the endpoints of a diameter. What is the measure of the inscribed angle? How do you know? Please help and please explain how I would draw a diagram of thus. Think you for your help!
  76. English

    Please help me I still can't find two cause and effect relationships in the letter to his son by Robert e lee. I read the letter and have finish annotating it but still can't find it. Please help me
  77. I'm stuck- please help

    Hi everyone, I've been stuck on this question. Please anyone help. Show step by step and answers. Thank you. - Determine the​ quarter point of y=−cos(2x−π) THANK YOU.
  78. RE: Physics

    If an incline has a difference in height from one end to the other of 17.8 cm and has a length along the incline of 1.19 m, what is the angle that the incline makes with the horizontal reference surface? Physics - Damon, Saturday, February 15, 2014 at 5:20pm cos (angle) = .178...
  79. Physics

    A solid iron cylinder of mass 0.2 kg is quickly transferred from inside boiling water in a beaker at 100 C into 90g of water at 15 C contained in a calorimeter of mass 150g and specific heat capacity equal to 800 J/kg/K. Find the final temperature of the water. (The Specific ...
  80. physics

    A hollow plastic sphere is held below the surface of a freshwater lake by a cord anchored to the bottom of the lake. The sphere has a volume of 0.600m^3 and the tension in the cord is 840N . What is the mass of the sphere? is this how i would find the mass? (4/3)X3.14X(.600)^3...
  81. Physics

    The "Screaming Swing" is a carnival ride that is-not surprisingly-a giant swing. It's actually two swings moving in opposite directions. At the bottom of its arc, riders are moving at 30 m/s with respect to the ground in a 44 m-diameter circle. At the bottom of the ride, as ...
  82. Physics

    The "Screaming Swing" is a carnival ride that is-not surprisingly-a giant swing. It's actually two swings moving in opposite directions. At the bottom of its arc, riders are moving at 30 m/s with respect to the ground in a 44 m-diameter circle. At the bottom of the ride, as ...
  83. Physics

    PLEASE HELP, I'm trying to study for a quiz >.< and I don't understand this one question! A fellow student reports his measurements of time for a speed calculation in minutes. How could he express that calculation using SI base units? A)convert minutes to hours and redo ...
  84. Physics

    I'm totally confused and this is due Monday- We're dealing with electrical circuits and I have to construct a circuit with resistors of 10 Ohms, 20 Ohms, 30 Ohms and 20 Ohms. The total resistance has to be 42 Ohms-Can someone direct me how to even begin to draw this-I know ...
  85. Re: Physics/Math

    A 3.0 kg block, initially in motion, is pushed along a horizontal floor by a force F of magnitude 18 N at an angle = 45° with the horizontal. The coefficient of kinetic friction between the block and floor is 0.25. (Assume the positive direction is to the right.) Calculate ...
  86. physics/chemistry

    (a) An ideal gas occupies a volume of 1.0 cm3 at 20°C and atmospheric pressure. Determine the number of molecules of gas in the container. i got that right to be 2.5e19 molecules (b) If the pressure of the 1.0 cm3 volume is reduced to 1.0 10-11 Pa (an extremely good vacuum) ...
  87. Physics

    The prong of a tuning fork moves back and forth when it is set into vibration. The distance the prong moves between its extreme positions is 2.28 mm. If the frequency of the tuning fork is 440.6 Hz, what are the maximum velocity and the maximum acceleration of the prong? ...
  88. PHYSICS PLEASE HELP

    Suppose a distant world with surface gravity of 7.12 m/s2 has an atmospheric pressure of 7.48 104 Pa at the surface. (a) What force is exerted by the atmosphere on a disk-shaped region 2.00 m in radius at the surface of a methane ocean?____________N (b) What is the weight of a...
  89. physics As

    Please help and do it step by step all parts of questions and use: T = time(s) I=current (amps) Q=net charge on object (Coulombs) N=no electrons (and write if added or removed from object and how) E=elementary charge A piece of fuse wire has a diameter of 0.22mm and carries a ...
  90. As physics

    Please help and do it step by step all parts of questions and use: T = time(s) I=current (amps) Q=net charge on object (Coulombs) N=no electrons (and write if added or removed from object and how) E=elementary charge A piece of fuse wire has a diameter of 0.22mm and carries a ...
  91. physics

    Suppose that a net force F gives an object with a mass of m an acceleration of 9.65 m/s/s. Suppose that the net force were increased by a factor of 4.7, and the mass were increased by a factor of 3.0. What would be the new acceleration (in m/s/s)? Please help, for I do not ...
  92. math

    i kinda need help with these 2 please: assume (y) varies direcly as (x) if (x)=32 when (y)=6, what is the value of k? and (y) varies directly as (x) find the constant when (x)=0.5, and (y)=0.3 and can someone also explain what they mean by find the constant and how 2 do it in ...
  93. Debating

    PLEASE HELP ME! What is a Space Program? Define. I Have a debating topic that needs me to define that. I have googled but I can't find anything. If you don't know then please show me a list of alternate search engines. Thanks Minerva
  94. gen

    I need 2 resources for Head start please I need help with these please.. This is how the organization or association may contribute to increasing professional knowledge and abilities are by This knowledge and these abilities may affect success in my field of interest is by
  95. English

    my son has vocabulary words using in sentences, I don't understand these word and their meanings, please, make a sentences using these words please 1. enthusiastic 2. assure 3. peculiar 4. pastel 5. translation 6. insisted
  96. math(Please please help!!!)

    1) initial investment = $600 annual % rate = ? time to double = ? amount after 10 years = $19,205.00 19,205 = 600e^(10r) I do not know how to solve for r of find the time to double.
  97. calculus

    Please help. I have an implicit answer to a differential equation of 18y*sqrt(y)=(2(x^2-6x+23)^3/2)/3 plus arbitrary constant. What is the particular solution to this for which y=2 when x=1. And then express this particular solution answer in an explicit form. Please help and ...
  98. CAL

    consider the area between the graphs x+3y=1 and x+9=y^2. this area can be computed in two different ways using integrals. Please integral both ways both respect to x and to y. ANd please show your work and thank you
  99. AP HS Chemistry

    I need help. In simple english please, what is Hund's Rule, Pauli Exclusion Principal, and the Aufbau Principal? I need to know these. Please try to be simple as possible because I'm not understanding right now, haha. Thanks!! :)
  100. Spanish-Please check SraJMcGin if possible

    Please check if you have time we had to select the correct answer for the two questions 1.¿Ellas te escuchan? Ellas me escuchan. 2. ¿Me escuchas? Te escucho.
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  86. 85
  87. 86
  88. 87
  89. 88
  90. 89
  91. 90
  92. 91
  93. 92
  94. 93
  95. 94
  96. 95
  97. 96
  98. 97
  99. 98
  100. 99
  101. 100