# Questions Asked onNovember 19, 2011

1. ## Physics

A 821-kg car stopped at an intersection is rear-ended by a 1810-kg truck moving with a speed of 11.5 m/s. If the car was in neutral and its brakes were off, so that the collision is approximately elastic, find the final speed of both vehicles after the

2. ## earth

Six artificial satellites complete one circular orbit around a space station in the same amount of time. Each satellite has mass m and radius of orbit L. The satellites fire rockets that provide the force needed to maintain a circular orbit around the

3. ## Physics

Two disks of identical mass but different radii (r and 2r) are spinning on frictionless bearings at the same angular speed ω0, but in opposite directions. The two disks are brought slowly together. The resulting frictional force between the surfaces

4. ## statistics

An accounting firm is planning for the next tax preparation season. From last year's returns, the firm collects a systematic random sample of 100 filings. The 100 filings showed an average preparation time of 90 minutes with a standard deviation of 140

5. ## Physics

A young hockey player stands at rest on the ice holding a 1.3-kg helmet. The player tosses the helmet with a speed of 4.6 m/s in a direction 13° above the horizontal, and recoils with a speed of 0.27 m/s. Find the mass of the hockey player.

6. ## Chemistry

Nickel carbonyl has a formula: Ni(CO)4. Nickel carbonyl is produced by the reaction of solid nickel metal with carbon monoxide gas. 1. how do you write a balanced equation for this reaction? 2. How many liters of carbon monoxide gas must be provided to

7. ## Calculus

evaluate the integral of dx/square root of 9-8x-x^2

8. ## physics help!

Objects of equal mass are oscillating up and down in simple harmonic motion on two different vertical springs. The spring constant of spring 1 is 155 N/m. The motion of the object on spring 1 has twice the amplitude as the motion of the object on spring 2.

9. ## chemistry

A 10.0 g sample of carbon monoxide, a poisonous gas produced by the incomplete combustion of hyrdocarbons, occupies 15.0 l at a pressure of 200 kpa. the volume occupied by the carbon monoxide when the pressure is increased is 700 pka is a) 1.16 L b)4.05 L

10. ## chemistry

A 10.0 g sample of carbon monoxide, a poisonous gas produced by the incomplete combustion of hyrdocarbons, occupies 15.0 l at a pressure of 200 kpa. the volume occupied by the carbon monoxide when the pressure is increased is 700 pka is a) 1.16 L b)4.05 L

11. ## Chemistry

Rank the following 4 compounds in order of lowest to highest freezing point. Enter the formulas in the spaces provided. For example, enter CH4 as CH4. H2O MgO CH4 H2S

asked by Whats Good
12. ## physics emergerncyy!

A particle of mass m1 = 2.5 kg moving along the x axis collides with a particle of mass m2 = 4.7 kg initially at rest. The incoming particle is deflected in the direction 24 degrees above the x axis, whereas the target particle moves off at 14 m/s at 39

13. ## physics

A thin uniform rod is rotating at an angular velocity of 7.70 rad/s about an axis that is perpendicular to the rod at its center. As the figure indicates, the rod is hinged at two places, one-quarter of the length from each end. Without the aid of external

14. ## Statistics

are the following statements, Ho:=10 and Ha:equal to or less than, a valid pair of null and alternative hypothesis?assume that in a hypothesis test with null hypothesis Ho : u = 12.0 at a = 0.10, that a value of 16.0 for the sample mean results in the null

15. ## Chemistry

Iron metal is produced from the ore iron(III) oxide by reacting the ore with gaseous carbon monoxide at high tempature to produce liquid iron metal and gaseous carbon dioxide. How do you balanced this equation for this reaction?

16. ## math

Suppose that an accounting firm does a study to determine the time needed to complete one person's tax forms. It randomly surveys 100 people. The sample average is 23.8 hours. There is a known population standard deviation of 6.0 hours. The population

17. ## Statistics

A researcher is interested in whether students who attend private high schools have higher average SAT scores than students in the general population. A random sample of 90 students at a private high school is tested and has a mean SAT score of 1050. The

18. ## psych/statistics

Consider the following: The television network you addressed in Week 4 is asking you to compare the moods of groups that watch different types of shows. You can choose what they mean by moods. You may compare them on general mood, happiness, depression,

19. ## Pratical English

Can someone check over my answers please. 1. Which sentence contains a helping verb? A. A small snake slithered across the yard. B. I walked to the movie theater. C. Sophia will be taking swimming lessons for the first time. D. The group of small children

20. ## science

Tom the cat is chasing Jerry the mouse across a table surface 2.4 m oﬀ the ﬂoor. Jerry steps out of the way at the last second, and Tom slides oﬀ the edge of the table at a speed of 2 m/s.What speed will Tom have just before he hits?

21. ## pratical english

The following sentence is in what tense? Laura has given donations to the local food bank. A. Present B. Present perfect C. Past perfect D. Past i think the answer is b is this correct?

22. ## Psychology

Can someone please tell me whether or not these answers are correct. Thanks! 1. Regarding the memory processes, incoming information is first _______, then stored, and finally the memories must be _______, or taken out of storage to be useful. a.

23. ## physics

suppose a ball thrown downward with initial velocity 3 m/s instead of being dropped a)what then would be its position after 1s and 2s ? b)what would its speed be after 1 s and 2 s ?

24. ## Calculus

Suppose you know that f(x) is an odd functon on the domain of all real numbers and that the function is concave up on the intervals 0 < x < 3 and 5 < x and concave down on the interval 3 < x < 5. List ALL intervals on which the functon f(x) is concave up

25. ## science

A weather balloon carries instruments that measure temperature, pressure, and humidity as it rises through the atmosphere. Suppose such a balloon has a volume of 1.2 m^3 at sea level where the pressure is 1 atm and the temperature is 20°C. When the

26. ## physics

a car accelerates along a straight road from the rest to 90 km/h in 5 s what is the magnitude of its average acceleration

27. ## Physics -- sound

An organ pipe that is closed at one end has a fundamental frequency of 146 Hz. There is a leak in the church roof, and some water gets into the bottom of the pipe, as shown in the Figure. The organist then finds that this organ pipe has a frequency of 273

28. ## physics

Blocks A, B, and C are placed as in the figure and connected by ropes of negligible mass. Both A and B weigh 27.5 each, and the coefficient of kinetic friction between each block and the surface is 0.40. Block C descends with constant velocity. Find the

29. ## Physics

A 821-kg car stopped at an intersection is rear-ended by a 1810-kg truck moving with a speed of 11.5 m/s. If the car was in neutral and its brakes were off, so that the collision is approximately elastic, find the final speed of both vehicles after the

30. ## Economics

Jim left his previous job as a sales manager and started his own sales consulting business. He previously earned $70,000 per year, but he now pays himself$25,000 per year while he is building the new business. What is the economic cost of the time he

31. ## Math/probability

Five different written driving tests are administered by the Motor Vehicle Department. One of these five tests is selected at random for each applicant for a driver's license. A group consisting of two women and three men apply for a license. (a) What is

32. ## ci

A researcher is interested in whether students who attend private high schools have higher average SAT Scores than students in the general population. A random sample of 90 students at a private high school is tested and and a mean SAT score of 1030 is

33. ## physics

a person throws a ball upward into the air with an initial velocity of 15 m/s calculate a)how high it goes? b)how long the ball is in the air before it comes back ? c)how much time it takes for the ball to reach the maximum height?

34. ## Pratical English

Which of the following sentences contains an italicized word that's used as a predicate adjective? A. Jerry looks disdainfully at the pile of laundry. B. Jerry looks ill today. C. Jerry looks into the microscope. D. Jerry looks at the map.

35. ## Physics

Air in a balloon does 25 J of work while absorbing 81 J of heat. What is the change in internal energy?

36. ## gravity

You are an astronaut in the space shuttle pursuing a satellite in need of repair. You are in a circular orbit of the same radius as the satellite (450 km above the Earth), but 24 km behind it. How long will it take to overtake the satellite if you reduce

37. ## My Awards (to share with teachers)

1st Grade participation in summer reading and math program ------ 3rd Grade 2nd place in primary spelling bee Certificate of Achievement: Math, Music, Good Citizenship, Student of the month - June (4 awards) ---- 4th Grade Parp Ribbin Headliners Science

38. ## rotational motion physics

A 3.7 m diameter merry-go-round is rotating freely with an angular velocity of 0.63 rad/s. Its total moment of inertia is 1600 kg\cdot m^2. Four people standing on the ground, each of mass 70 kg, suddenly step onto the edge of the merry-go-round.

asked by David colon
39. ## pratical enlish

Which of the following nouns is properly capitalized? A. Telephone B. Frame C. orlando D. Congress i think its d is this correct?

40. ## Stats

Suppose that a random sample of adults has a mean score of on a standardized personality test, with a standard deviation of . (A higher score indicates a more personable participant.) If we assume that scores on this test are normally distributed, find a

41. ## Math

Two farmers use combines to harvest corn from their fields. One farmer has 600 acres of corn, and the other has 1000 acres of corn. Each former's combine can harvest 100 acres per day. Write two equations for the number of acres y of corn not harvested

42. ## Science

The significance of specific base pairing in DNA is that A) it stabilizes the sugar molecule B) it provides a method for making exact copies of DNA C) it prevents errors in DNA replication D)protein copies can be be made directly from the DNA I'm pretty

43. ## Ninth Grade English

Romeo and Juliet; Act 1 Scene 5 Chorus Now old desire doth in his death-bed lie, and young affection gapes to be his heir; That fair for which love groan'd for and would die, With tender Juliet match'd is now not fair. Now romeo is belov'd, and loves

44. ## english 101 composition

Identify the sentence that uses punctuation correctly. a) The mysterious stranger walked, down the street, and up the block. b) The mysterious stranger walked down the street, and up the block. c) The mysterious stranger walked down the street and up the

45. ## physics

suppose you want to design an air bag system that can protect the driver at a speed of 100 km/h if the car hits a brik wall estimate how fast the air bag must inflate to effectively protect the driver ?

46. ## Pratical English

1. Which one of the following sentences contains an error in its verb? A. Both Clara and Nathan is planning to attend. B. Neither bananas nor squash was for sale. C. Either footnotes or endnotes are acceptable. D. Not only the players but also coach Jarvis

47. ## Chemistry

Since ethanol is cheaper than gasoline , today's gasoline's contain varying amonts of ethanol to keep prices lower. given that the enthalpy of combustion of ethanol is -1367 kj/mole and that the aveage energy released by one gram of gasoline is 43 kj: )

asked by Devin Boutte
48. ## Physics

A 1230 kg car drives along a city street at 31.0 miles per hour, and a baseball has a mass of 0.142 kg. What speed must the baseball have if its momentum is to be equal in magnitude to that of the car? Give your result in miles per hour.

A squash match is won when one player wins three games. This situation is often referred to as winning the "best-three-out-of-five" Barbara has a slight edge in winning each game with the odds in favour of 5 to 4 a) what is the probability that maria will

50. ## Pratical English

Concerning dictionaries and their proper use, which one of the following statements is most accurate? A. A dictionary's word entry offers a fixed, permanent meaning. B. A syllable is a unit of sound. C. Formal usage of a word is considered colloquial. D.

51. ## american history

Which of the following was the primary cause of the Balkan Wars conducted during the Clinton administration? A. The rise to power of Slobodan Milosevic in Serbia B. The UN peacekeepers' inability to stem ethnic cleansing C. Muslim activism in Bosnia D. The

52. ## fine art

study the Crack is Wack mural.( u can google it) Then, write a 500-word paper using the following guidelines. In the first part of your paper, use the art history operations to assess Crack is Wack as an artwork. Address the location of the piece (a

53. ## Chemistry

I am stumped on this one...Please help!!! Write a balanced base ionization reaction for methylamine (CH3NH2) in water. Identify all species as acids and bases and identify the conjuate acid-base pairs.

54. ## spanish

What word best fits this sentence? Que necesitas para la clase de ciencias naturales?________ un diccionario! (Necesitamos) (Necesito) (Necesitan) (Necesita)

55. ## algebra

A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results are below. 35 said they drove alone. 38 rode in a carpool. 33 rode public transportation. 5 used both carpools and public transportation. 4 used both a

56. ## math

If rhys is late for his finite mathematics class, and the probability that he is on time is 3/4. however if he is on time, he is liable to be less concerned about punctuality for the next class and his probability being on time drops to 1/2. rhy is on time

57. ## american history

Which of the following is true of President G. W. Bush? A. He accepted the United States' role in the International Criminal Court. B. He reluctantly endorsed the Kyoto Protocol. C. He vowed to punish all countries sponsoring terrorism. D. He rejected

58. ## physics

the centers of two 5000 kg blocks are separated by 1.13 m. What is the gravitational force between the two blocks? What must be the distance between the centers of the blocks if the gravitational force decreases 25 times?

59. ## Chemistry

Please help me out... The pressure of a container of fluorine gas with a volume of 1.5L is 678mmHg at 55.0*C. a. If the volume of the fluorine gas increases to 5.0L, what would be the pressure of the gas in atm? The amount and tempature of gas are

60. ## chemistry

a solution of sulphuric acid is titrated (allquot 20.0ml) with a solution of sodium hydroxide (0.1234M) 26.73ml of the base being required to the end point with phenolphthalein. calculate the molarity of the sulphuric acid solution

61. ## science-important!

I really need to make sure this is correct for tommorow please help! The significance of specific base pairing in DNA is that A) it stabilizes the sugar molecule B) it provides a method for making exact copies of DNA C) it prevents errors in DNA

62. ## physics

A 20 N cat is sitting on a branch 5 meters high. What is the PEg of the cat? what is the KE of the cat? What is the total energy of the cat?

63. ## Biology

In regard to the kidney, Why is everything dumped into the tubule? Why not dump only wastes and toxins like insects?

64. ## Economics

A firm is currently producing in the elastic portion of its demand curve. What course of action do you recommend for it assuming it wants to raise revenue? Continue producing at the current output level, because it maximizes its total revenue by producing

65. ## pre-algebra

Explain the basic method(steps) for graphing a linear equation. Can you give an example of a linear equation and show me how to graph the equation?

66. ## chemistry

Show me how to calculate the mass of 20.0 moles of He?

67. ## physics

What is the gravitational force on a bar that is 3 meters long and has a density of 3x kg/m and lies 3 meters from a 2 kg point mass

68. ## science-important!

I really need to make sure this is correct for tommorow please help! The significance of specific base pairing in DNA is that A) it stabilizes the sugar molecule B) it provides a method for making exact copies of DNA C) it prevents errors in DNA

69. ## data management

If rhys is late for his finite mathenetucs class, ad the probability that he is on time is 3/4. however if he is on time, he is liale to be less concerned about punctuality for the next class and his probability being on time drops to 1/2. rhy is on time

70. ## history

Much of the direct written evidence for the early period of the Zhou dynasty comes from inscriptions on A. bamboo strips. B. cups. C. oracle bones. D. the walls of the kings' palaces. i chose C WHAT YOU THINK

71. ## Math

A student is taking a multiple choice exam. There are five possible answers for each question. What is the probability the student will answer the first question correctly? What is the probability that the student will answer the first question

72. ## american history

During World War II, the tide turned in favor of the United States at the Battle of A. Midway. B. the Coral Sea. C. Leyte Gulf. D. Okinawa. I think its a !

73. ## math

make a tally chart for the number of students in the third,fourth,and fifth grade classes:26,25,27,27,26,28,27

74. ## american history

After Hitler came to power in 1933, he blamed Germany's defeat in World War I on A. Communists and Socialists. B. Jews and Communists. C. Jews and Gypsies. D. Communists and American imperialists. i think its b or c.

75. ## Math

please help me to solve this problem -2 x(-7)x (-9)

76. ## math

Make a table to answer Problems 27–28. (3-5) Two shipping companies charge different amounts to mail packages. Company A charges an initial $5 fee, and each pound shipped is an additional$1. Company B charges an initial $3 fee, and$1.50 for each pound

77. ## Physics

A 160g stone, tied to a thread, swings in a horizontal circle with a 100 cm diameter. if the maximum tension the thread can withstand before snapping is 28 N, find the A) Maximum speed of the stone B) Acceleration of the stone at this speed. I solved A

78. ## Calculus

Evaluate the integral sin4x cos^2 4x dx A. cos^3 4x/3 +C B. - cos^3 4x/3 +C C. cos^3 4x/12 +C D. -cos^3 4x/12 +C

79. ## Linear Algebra

Let W be the set of all polynomials p(t) in P3 such that p(0)=0. Show that W is a subsapce of P3 and find a basis.

80. ## Pre-Calculus

This is application question. Bacterial Control. If t days after treatment the bacteria count per cubic centimeter in a body of water is given by C(t) = 10t^2 - 120x + 800 0

81. ## Math

Which probability interpretation is most reasonable to use: relative frequency, subjective, or classical? The probability your company's sales will exceed seven million dollars this year. Is this relative frequency? The probability that the S&P will

82. ## physic

4. The physics class is having a tug of war – the men against the women. For a long time the two teams are pulling with equal force and the knot in the centre of the rope isn’t going anywhere. But then one boy sneezes and stops pulling as hard for just

83. ## american history

10.)Among the legislative acts passed during Franklin Roosevelt's first 100 days, which one gave relief to artists, actors, and writers? A. Works Progress Administration B. National Recovery Administration C. Tennessee Valley Authority D. Civilian

84. ## biostatistics

Suppose we want to design a new placebo-controlled trial to evaluate an experimental medication to increase lung capacity. The primary outcome is peak expiratory flow rate, a continuous variable measured in liters per minute. the primary outcome will be

85. ## Economis

I have got an economics questions, and i did my personal revision by tying to work the question. here is the question: using demand and supply analysis, explain the influence of the imposition of a maximum price and a minimum price on a product on price

86. ## physics

You are standing on a merry-go-round of mass 500 kg and radius 2 m. Initially you are at 1.2 m from the center and you are rotating with an angular speed of 45 rad/s. (a) If you move in to a point 0.2 m from the center, what speed will you be rotating at?

87. ## geometry

what is the orthocenter of triangle with the vertices of X(-11,0), Y(-11,-8), Z(-1,-4)?

88. ## science

Compare the likelihood that an astronaut on Mars will be struck by meteoroid with its likelihood on earth.

89. ## Algebra

A store mixes kentucky bluegrass wothe $12 per pound and chewing fescue for$12 per pound. Howe many of each should be used to make 456 pounds of mixture?

90. ## English (MLA)

Lets say you need to put a quote with several sentences into an essay, how (in format) you would you quote this?

91. ## Chemistry

Reversible equilibrium: what would the effect be by adding hydrogen gas to: 3Fe(s)+4H20(i)Fe3O4(s)+4H2(g) and... effect of adding chlorine gas to: P4(s)+6Cl2(g)4PCl3(i)

92. ## calculus

Evaluate the integral of (x)cos(3x)dx A. (1/6)(x^2)(sin)(3x)+C B. (1/3)(x)(sin)(3x)-(1/3)(sin)(3x)+C C. (1/3)(x)(sin)(3x)+(1/9)(cos)(3x)+C D. (1/2)(x^2)+(1/18)(sin)^2(3x)+C

93. ## Pratical English

Which of the following words can be used as a noun? A. Happily B. If C. Younger D. Love i think its d is this correct?

94. ## Jiskha rules

i was searching around and cannot find the rules for the forum. where is the page containing said rules?

95. ## Pre-Calculus

I'm having problems solving this and showing the steps: Find the absolute maximum and absolute minimum, if either exists, for y = f(x)= x^3 - 12x + 12 -3 less equal to x greater than equal to 5

96. ## math

Please show me how to work this problem: Fran makes a rectangular tablecloth that has an area of 5 ft squared. Her mother makes a tablecloth that is three times the length and three times the width of Fran's. What is the area, in square feet, of her

97. ## Physics

A honeybee with a mass of 0.175 g lands on one end of a popsicle stick. After sitting at rest for a moment, the bee runs toward the other end with a velocity 1.41 cm/s relative to the still water. What is the speed of the 5.20-g stick relative to the

98. ## math

Please show me how to solve: Hannah took a survey of 500 students at her school to find out whether they liked baseball or football. The results are shown in the Venn diagram. How many of the students surveyed like football? 28% liked baseball, 32% liked

99. ## My Grades (this is different)

What is my grades for the first quarter? I didn't get my report card because my parents didn't go to the parents teacher conference so yeah but today my guides counselor show it to me (my grades for the first quarter) they didn't calculated my average.

100. ## French11

can someone please explain to me in english how to form the passe simple, conditionnel anterieur and the futur anterieur?

101. ## statistics

the company is concerned that a simple random sample of 2000 owners would include fewer than 12 owners of model d or fewer than 12 owners of model e. briefly describe a sampling method for randomly selecting 2000 owners that will ensure at least 12 owners

102. ## 123

A sample of size 50 has mean 20 and deviation 5. The value at highest concentration point is 16. It was later discovered that an item 12 was misread 30, find the value of coefficient of skewness

103. ## physics

A ball weighing 1.78 N is shot through a launcher, achieving a speed ( from rest) of 41 m/s in 0.28 s. A) What is the mass of the ball? B) What is the acceleration of the ball as it moves through the launcher? C) What average force acted on the ball to

104. ## chemistry

Calculate the pH of an aqueous solution containing 1.6 x 10-2 M HCl, 2.0 x 10-2 M H2SO4, and 1.8 x 10-2 M HCN.

105. ## similtaneous equation

x+3y=6 2x-9y=7 can you please help me im getting the wrong answers. thank you

106. ## Chemistry

Write the correct electronic configuration of Pd,Ag,Pt&Au. I think for (Pd)=1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6 5s^0 4d^10 (Ag)=1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6 5s^1 4d^10 (Pt)=1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6 5s^2 4d^10 5p^6 6s^1 5d^9

107. ## Physics

#4. Rain is falling at a velocity of 10,0 m/s at an angle of 30* towards the west. At what velocity and direction does a marathon runner have to go in order for him to get rain on his head?

108. ## spanish

so are you coming to my house tomorrow? Translate into spanish plzzz

109. ## math

please solve using the multplication principle -x/9=1/6

110. ## math

is there any [legal, of course] calculator software? i wish to have the software on my computer so i have a version of the TI 89 available even if i forget my calculator.

111. ## BAA

Do I have to get straight A's to get a black advevement award?

113. ## 8th Grade

Whta is a verctorican (srry i can't spell that) award when the 8th graders get one?????

114. ## Pratical English

In the following sentence, what is the subject complement? My neighbor is a newspaper reporter. A. Neighbor B. Reporter C. My D. Newspaper I think it is b. Reporter or maybe d. im not for sure.

115. ## Valedictorian/Salutatorians ????

What is Valedictorian/Salutatorians award? Do 8th graders get one???? How do you get Valedictorian/Salutatorians award???

150. ## chem1010

Hello,my sample is 4.80grams of O2 with V of 15.0L. for the life of me (and going on two hours of trying...)what is the new V if 0.500 moles of O2 is added? Please don,t give the answer-comfort me only with your steps for solving. thank you, much amore'!

151. ## american history

The majority of states that did not ratify the Equal Rights Amendment were located in the A. Midwest. B. Southeast. C. Northeast. D. West.

152. ## Sociology

State four functions of the philosophy

153. ## chemistry

how do u find percent abundance?

154. ## Student of Month

When students are pick tp be the student of the month is it because they work hard, get good grades, and hehaver?

155. ## Lone Star

8.16 x 1024 atoms of neon gas = how much in volume liters

156. ## Science

Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two groups of 20 mice each, all from the same purebred strain. The mice were deprived of food for 3 days and then given a standard

157. ## Pre- Algebra

Can you graph these equations for me so that I can figure out how to do them? 1). Y=4x-3 2). 4x-5=2x-y 3). Y=1x1+4 4). X+5=2x-7 Can you explain your work?

158. ## School Supplies

IS there any stores that shows 1 inch binder that have colorful designs. I look at the website of this store office depot i didn't see it.

159. ## physics

a 250 pund man slams his face into a wall at 8mph how many punds of force does he hit his face with

160. ## socialstudies

can you please tell me the busiest airport in the USA

asked by R S Telagathoty
161. ## My Award Binder

I have a award binder to keep all of my award from 1st grade to now and I need ideas to organize it and make it pretty. I don't have any award from 7th grade but my pricipal said that I will have a lot of awards (as I was walking to go to the library

162. ## math

a thesis sentence for the value of math

asked by givana hamilton
163. ## algebra

Find the angles between the following pairs of vectors (1)3i+2j-6k,4i-3j+k (2)2i-3j+k,3i-j-2k

164. ## bio

Homozygous dominant for BRCA1-what is the genotype? (using the letter b)

165. ## business communication

. Which of the following best describes these sentences from a welcome message? Our company is pleased to welcome you as one of our valued customers. We are looking forward to receiving many more fine orders from you in the near future. We especially

166. ## social studies

how old is mickey this year

asked by Jennifer White
167. ## statistics

cost of producing is 50 cents each and they sell for 1.25 each. demand for programs at each game is normally distributed with a mean of 2500 and standard deviation if 200. how many shouild be prodcued

168. ## Question

Is there any website that is for free and not making a account something like Jiskha to ask questions besides homework.

169. ## Contests

Is there any contest that is happening in Rockland County?