1. Physics

The drawing shows a large cube (mass = 25 kg) being accelerated across a horizontal frictionless surface by a horizontal force . A small cube (mass = 4.0 kg) is in contact with the front surface of the large cube and will slide downward unless is

2. AP Physics - Equilibrium

The Achilles tendon is attached to the rear of the foot as shown in the figure below. When a person elevates himself just barely off the floor on the ball of one foot, estimate the tension Ft in the Achilles tendon (pulling upward) and the (downward) force

3. Chemistry-Bonding

Classify the following bonds as ionic, covalent, or neither (O, atomic number 8; F, atomic number 9; Na, atomic number 11; Cl, atomic number 17; U, atomic number 92). a.) O with F _________ b.) Ca with Cl __________ c.) Na with Na _________ d.) U with Cl

4. Pre Calc

h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 5 8 1 5 2 7 6 5

5. Physics

drawing shows a 25.0-kg crate that is initially at rest. Note that the view is one looking down on the top of the crate. Two forces, and , are applied to the crate, and it begins to move. The coefficient of kinetic friction between the crate and the floor

6. Physics

To find the velocity and acceleration vectors for uniform circular motion and to recognize that this acceleration is the centripetal acceleration. Suppose that a particle's position is given by the following expression: r(t) = Rcos(omega*t)i +

7. Physics

The deepest point in the ocean is 11km below sea level, deeper than Mt. Everest is tall.What is the pressure in atmospheres at this depth?

8. math- odds

A bag contains 13 balls numbered 1 through 13. What are the odds in favor of selecting a ball that has an even number? Explain why?

9. Algebra

A total of 475 tickets were sold for the school play. There were 75 fewer student tickets sold than adult tickets. How many adult tickets were sold?

10. math

how do u solve "why did zorna pour ketchup on her brothers hand?"

Determine approximate solutions for this equation in the interval x is all real numbers [0, 2pi), to the nearest hundredth of a radian: cosx + 0.75 = 0

12. Physics

A 325-kg boat is sailing 15.0° north of east at a speed of 2.00 m/s. Thirty seconds later, it is sailing 35.0° north of east at a speed of 4.00 m/s. During this time, three forces act on the boat: a 31.0-N force directed 15.0° north of east (due to an

13. literature

Read the following passage from act 3, scene 2.       So we grew together,       Like to a double cherry, seeming parted,       But yet an union in partition; In this passage, Helena is referring both to herself and to A. Oberon. B.

14. Physics

60 cm^3 of gasoline are mixed with 55 cm^3 of water. What is the average density of the mixture? answers in meters i did (.6*680)+(.55*1000) then divided by 95...is this workable?

15. Pre Calc

use properties of the trigonometric function to find the exact value of each expression. Do no use a calculator. sec ( - pi/18) * cos (37 pi)/18 I do not see how to do this problem. Every time I do it out I get a reference angle of twenty degrees which

16. Chemistry

Calculate the average disappearance of A between t=0 min and t=10 min in units of M/s. 0 min there are .065 moles of A 10 min there are .051 moles of A 20 min there are .042 moles of A 30 min there are .036 moles of A 40 min there are .031 moles of A The

17. Physics

An 81-kg baseball player slides into second base. The coefficient of kinetic friction between the player and the ground is 0.49. (a) What is the magnitude of the frictional force? (b) If the player comes to rest after 1.6 s, what was his initial velocity?

18. chemistry

For the following reaction at a certain temperature, it is found that the equilibrium concentrations in a 5.00 L rigid container are [H2] = 0.0500 M, [F2] = 0.0100 M, and [HF] = 0.400 M. If 0.261 mol of F2 is added to this equilibrium mixture, calculate

19. Physics

A 10cm times 10cm times 10cm block of steel (rho _steel= 7900kg/m^{3}) is suspended from a spring scale. The scale is in newtons. Part A:What is the scale reading if the block is in air? Part B:What is the scale reading after the block has been lowered

20. Physics

An ice skater is gliding horizontally across the ice with an initial velocity of +6.3 m/s. The coefficient of kinetic friction between the ice and the skate blades is 0.081, and air resistance is negligible. How much time elapses before her velocity is

21. chemistry

How many photons will be required to raise the temperature of 2.0 g of water by 2.5 K?

22. SCIENCE

A uniform ladder which is 10metres long and weighs 300newtons leans with its upper end against smooth vertical wall and its lower end on arough ground.the bottom of the ladder is 6metres from the base of the wall.a man weighing 700newtons stands on the

23. Physics

A 10cm times 10cm times 10cm wood block with a density of 700kg/m^3 floats in water. What is the distance from the top of the block to the water if the water is fresh? And If it's seawater?

24. science

Which of the following would be the limiting reagent in the reaction shown below? There are 50 molecules of O2 and 50 molecules of H2. 2H2(g) + O2(g) ==> 2H2O(g)

25. Calculus

Find an overestimate and underestimate that the bug crawls during an hour v= 1 / [2+t]? For time, t, in hours, 0

26. algebra

At work one day Erica received 36 packages. Speedy delivered 3 times as many as Express, While Express delivered 4 more than Quick Service. How many packages did each service deliver to Erica?

27. Biology

A mutant protist is found in which some mitochondria lack an inner mitochondrial membrane. Whcih of the following pathways would be completely disruped in these mitochondria? a) the citric acid cycle. b) oxidative phosphorylation. c) the citric acid cycle

28. Physical Science

How many calories of heat are required to raise the temperature of 550g of water from 12.0 degrees celcius to 18.0 degrees celcuis

29. Physics

Water flowing through a 2.8 cm-diameter pipe can fill a 200 L bathtub in 5.8 min.What is the speed of the water in the pipe?

30. statistics

Use this table to complete the tasks that follow it. Height (in inches) Frequency 50-52 5 53-55 8 56-58 12 59-61 13 62-64 11 Identify the class width. Identify the midpoint of the first class. Identify the class boundaries of the first class. Give the

31. Biology

Which of the following must occur for a plant or animal to grow and develop normally? a) Sufficient oxygen must be available to stimulate cell division. b) Theorganism must recive a supply of the appropriate horones from its parents. c) It must be able to

32. Biology

What is probably the main factor responsible for the phenomenon of density-dependent inhibition? a) a local deficiency of nutrients b) cells' innate "sense" of knowing when the organ of which they are a part has no need for additional cells. c) a shortage

33. chemistry

when heated in the presence of air, 80 grms. of copper completely react to form 100 grms. of copper oxide what is the mass of oxygen that has combined with the copper? how much copper must be heated to form 300 grms. of copper oxide?

34. psy210

What are the characteristeics of the eight different types of love?- consummate, companionate, romantic, fatuous, infactuated,empty love.

35. de Broglie Wavelength

The presence of oxygen atoms on the surface results in auger electrons with a kinetic energy of approximately 505 eV. What is the de Broglie wavelength of this electron? [KE= (1/2)mv^2; 1 electron volt (eV) = 1.602*10^-19 J]

36. science(chemistry)

Using condensed electron configurations and Lewis electron-dot symbols to depict the monatomic ions formed from each of the following reactants, predict the formula of the compound the ions produce. 1) K and P

37. physics

Is it impossible to lose all of the kinetic energy in a collision? Or, does a ball which bounces several times before eventually coming to rest show how kinetic energy can completely disappear?

38. calculus

Consider line segments which are tangent to a point on the right half (x>0) of the curve y = x^2 + 1 and connect the tangent point to the x-axis. If the tangent point is close to the y-axis, the line segment is long. If the tangent point is far from the

39. Math

The values of outstanding bonds change whenever the going rate of interest changes. In general, short-term interest rates are more volatile than long-term interest rates. Therefore, short-term bond prices are more sensitive to interest rate changes than

40. Algebra

A manufacturing company has determined that the cost of labor for producing x transmissions is: L(x) = 0.3x^2 + 400x + 550 dollars, while the cost of materials is M(x) = 0.1x^2 + 50x + 800 dollars. Need to write a polynomial T(x) that represents the total

41. Physics

A cargo barge is loaded in a saltwater harbor for a trip up a freshwater river.If the rectangular barge is 3.00m by 20.0m and sits 0.900m deep in the harbor, how deep will it sit in the river?

42. Pre-Calc

Starkist tuna company will package tuna fish in 2-L cans. Find the radius and the height of the cans if the cans have a surface area which is less that 980 cm^2. I have no idea how to go about this, it seems like geometry to me. Can you give me some help?

43. physic

Hi!could anyone help me please, I don't get it. Thank you so much for your help. Question:(a) What is the tangential acceleration of a bug on the rim of a 9.0 in. diameter disk if the disk moves from rest to an angular speed of 79 rev/min in 4.0 s? ___m/s2

44. Geo + eng+ history

Hello, My question is that what kind of environments are there i mean are there also other types of environment then Natural,Human and Human natural environment. I`ve got assignment on environment and for that i have to write so can please tell me any site

45. Physics

A Mercedes-Benz 300SL (m = 1700 kg) is parked on a road that rises 15° above the horizontal. What are the magnitudes of (a) the normal force and (b) the static frictional force that the ground exerts on the tires?

46. math

Lauren has a normal deck of 52 playing cards. If she draws a random card from the deck, what is the probability that it will be a red Jack, a red Queen, or a red King?

47. Algebra

A manufacturing company has determined that the cost of labor for producing x transmissions is: L(x) = 0.3x^2 + 400x + 550 dollars, while the cost of materials is M(x) = 0.1x^2 + 50x + 800 dollars. Need to write a polynomial T(x) that represents the total

48. Literature

What was the theme of the short story, American History? -MC

• Write a 200- to 300-word response that identifies and explains distinguishing characteristics of each of the five developmental periods how does this sound The five developmental periods The five developmental periods are the following, infancy, early

50. math

How do you determine if two lines are perpendicular?

51. math

what is x+7/4=88

52. COM 150 Effective Essay Writing

How does the writing process you read about differ from the process you have used in the past? Wheich steop in the writing process is easiest for you to complete?

53. COM/220

I am currently working on my sources for my final and early next week I have to come up with an annotated bibliography. I can't even pronounce it correctly! The problem is I am writing my paper in favor of marijuana legalization for medicinal purposes and

54. child development(am i correct)

2-300 word response that identifies and explains distinguishing characteristics of each of the five developmental periods do they mean? Synaptic pruning occurs at different rates in different areas of the brain.Overall, though, brains actively prune

55. English

What are 2 common themes for the story Harrison Bergeron and The Unknown Citizen? Please Help!! Thank you!!

56. Physics

A 325-kg boat is sailing 15.0° north of east at a speed of 2.00 m/s. Thirty seconds later, it is sailing 35.0° north of east at a speed of 4.00 m/s. During this time, three forces act on the boat: a 31.0-N force directed 15.0° north of east (due to an

57. social studies

In social studies we are doing gazetteer. I'm having trouble with a definition.What does fork mean.

58. calculus

calculate the lim as x-> pi (cos(x)+1)/(x-pi) using the special limit lim x->0 sinx/x

59. math

An Orchard made 14,757 lb of taffy apples with approximately 1 lb of taffy mixture for each 67.1 pounds of apples. To the nearest tenth of a pound. how many pounds of apples and how many pounds of taffy were used

60. media and cultural studies

‘Sports in the United States are male-dominated and exploit young athletes’ bodies, leaving most of them uneducated, injured, and impoverished.’ Discuss.

61. pre-algebra

didn't get a clear answer, i do not understand how to find the answer to this problem:2y=2x+10

62. maths

a common multiple of 3,4 and 5 less than 150

63. Economics

CCM television station is considering selling promotional videos produced by Firm A or Firm B. Firm A will charge the station a set up fee of \$1,200 plus \$2 for each cassette, while firm B has no set up fee and will charge \$4.00 for each cassette. The

64. English Quick ?

Before you write a paper you do an outline. I did so. Under one of my sections I have an A B C. When I type my paper are those all separate paragraphs?

65. Going Green

True or false? Vegetable oil is superseding gasoline for fueling cars in Europe. True?

66. English

Something that is tangential to getting good results: a. drinking tea b. proper planning c. paying attention d. working hard a. drinking tea?

67. Music

Hello my teacher gave us question and he said to find our from any where well Question is..... Q1. Who was and still is the famous singer ever he was when I was young and he also was till now* i have doubt in 1 Famous singer who died but not sure Whats the

68. GEOMETRY

If a diagnol for a rectangle ABCD was measured to be 20 and a square was put in it slanted(looking like a rhombus). This rhombus is called EFGH. Prove find the perimeter of EFGH. (IT IS EASIER TO DRAW IT THEN SOLVE IT =))

69. MATH

Simplify: Sin2x/1-Cos2x

70. Pre Calc

I am familiar with this type of problem but can't seem to get the right answer. Use the given zero to find the remaining zeros of each function f(x)=x^4-9x^3+7x^2-91x-348,zero 5-2i I normally would use synthetic division with the root 5-2i bringing it down

71. Physics

What is the de Broglie wavelength of an electron that strikes the back of the face of a TV screen at 1/9 the speed of light?

72. Physics

The "work function", or the minimum energy needed to eject an electron from the metal, can be expressed in several different ways. As stated on the applet page, sodium has a work function of 2.75 eV. In class, we discussed how to determine what that work

73. Algebra

collect like terms 17a +6b-11a-9b= thanks

74. corporate finance

here are questions and please show how you got the answers. 6. Andrew Thompson owns 65,000 shares of Beta Enterprises. His shares have a total market value of \$1,820,000. In total, Beta Enterprises has 250,000 shares outstanding. Each share is entitled to

75. math

p=b+a+2c,for b b=

76. Economics

The manager of caribbean glass company estimates that total revenue from the sale of her firm's product is given by the equation TR=300Q-Qsquared/2. The total cost equation is TC=5,000 + 60Q + Qsquared What are the profit maximizing price and output rate?

77. science

Which of the following is NOT true about compounds? A) compounds join in specific ratios according to their masses B) the mass ratio of a specific compound is always the same C) compounds are random combinations of elements D) different mass ratio mean

78. Literacy development

How can teachers assess phonemic awareness and phonics?

79. accounting

Why are internal controls and audit trails important in a computerized accounting system?

80. Pre Calc

I don't see how to do this without a calculator sin ( - pi/12) csc ( (25 pi)/12)

81. Literature

I've started on my 'Daily' catalog poem: Parents loving Siblings fighting The baby crying The cat meowing ..Not sure how to put the rest in (house, food, ect.) and if I'm writing the catalog poem correctly..please help Thanks -MC

What is the definition for codon recognition?

83. English (Urgent)

What is the meaning of the weeds and poisonous plants in the novel The Scarlet Letter?

84. pre algebra

How do I figure out problems like 52 = p +(-41)? I tried doing the steps but I got -11, which is wrong. Can someone walk me through the steps?

85. Bio

What enzymes can't cross the Blood Brain Barrier that are vital for humans to have in order to not get a disease? For example, in Hurler's syndrome iduronidase (IDUA) enzyme doesn't cross the BBB. Can someone tell me any lack of enzyme in the BBB that

86. Law

Jean owns five acres of land in an area of single-family homes on mostly one-acre plots. Jean's property contains her house and three outbuildings. Among the animals housed in the outbuildings are Kennel, a dog and Louis, a tiger. Mary, a neighbor, is

87. Biology

Hello. I've done well with everything else, but I'm stuck on the following: 1. Herring are salt-water fish. They A - need to expel large amounts of water to offset osmosis B - need to take in large amounts of water to offset osmosis C - slowly dehydrate

88. math riddle

Find 2 Numbers to fit all these rules: 1. To the nearest ten and hundred, both round to be the same number. 2. The estimated sum is 200. 3 The estimated difference is 0.

89. OFFICE MANAGEMENT

The need to be recognized by others with applause or an award is what kind of need? a. Security, b. esteem, c.physical d.self-actualization

90. MATH

Sin2x/1-Cos2x

91. MATH

Simplify: Sin2x/1-Cos2x

92. math

On T.V. game show, the constestant is asked to select a door and then is rewarded with the prize behind the door selected. If the doors can be selected with equal probability. What is the expected value of the selection if the \$40,000 car, a 3\$ silly

93. math

Make up a set of 7 numbers having the following landmarks: mode: 21, median: 24, maximum: 35, range: 20

94. Algebra

A manufacturing company has determined that the cost of labor for producing x transmissions is: L(x) = 0.3x^2 + 400x + 550 dollars, while the cost of materials is M(x) = 0.1x^2 + 50x + 800 dollars. Need to write a polynomial T(x) that represents the total

95. Grammar and Composition

Ok, here is my complete "Pet Peeve" Speech. Thanks a lot to bobpursley, and writeacher, and gurublue. There are some people in this world that you can’t live without, and then there are some other people who you just can’t bear to live with. That

96. Applications

In a recent year, he total sales at Restaurant A were 25,000 more than at Restauant B . Total sales at the two stores were 575,000,000 What are the sales for the two stores. Please help me solve this problem

97. college

In life, children in an early childhood age 2 to 6 years old sometimes must deal with life and adapt to difficult situations that change the way they feel about it. When a Pet Dies by Fred Rogers is a book that deals with death. It helps the child share

98. Physics

A spring has a force constant of 478 N/m and an unstretched length of 9 cm. one end is attached to a post that is free to rotate in the center of a smooth table. the other end is attached to a 4kg disc moving in uniform circular motion on the table, which

99. algebra

A plane ascends at a 40° angle. When it reaches an altitude of one hundred feet, how much ground distance has it covered? To solve, use the trigonometric chart. Round the answer to the nearest tenth.

100. math

what is 14,757/67.1

101. algabra

the width of a rectangle is fixed at 18 cm. What length will make the perimeter greater than 78 cm?

I am not sure on this question. Can you help me. Question: How can you tell if 31/33 is already in its simplest form? I wrote my answer to the following questions, can you tell if it is right? Question: Can the Greatest Common Factor of 18 and 36 be

103. science

For the reaction 2Na(s) + Cl(g) ¨2NaCl(s), how many grams of NaCl could be produced from 103.0 g of Na and 13.0 L of Cl (at STP)?

104. math

How do you determine if two lines are perpendicular?

105. human resources

How do I do a job description for a high school librarian? Do I set it up as an outline?

106. Confidentiality of Health Information

Should individuals and organizations with access to the databases be identified to the patient?

107. math

is 66.781 divided by 7= 22.903 a reasonable answer? why or why not

108. math

Find the inverse of the function. f (x)=3 square root of 3x-3-4

109. Inclusive language

Is it acceptable to write with no changes whatsoever "The hearing-impaired child needs special accommodations for the field trip?"

110. Misc.

What is the penultimate day of the year? Dec. 30th?

111. cooking

question why are many eggs used in some recipes?

112. GEOMETRY

If a diagnol for a rectangle ABCD was measured to be 20 and a square was put in it slanted(looking like a rhombus). This rhombus is called EFGH. Prove find the perimeter of EFGH. (IT IS EASIER TO DRAW IT THEN SOLVE IT =))

113. family life

information on teenage pregnancy

114. human services

• How do these laws influence the organization's decision-making and its day-to-day operations when dealing with poverty?

115. math

So the problem is 9 = w + (-8) I know the answer is 17. But I don't know how I solve it/show work.

116. math riddle

Find 2 Numbers to fit all these rules: 1. To the nearest ten and hundred, both round to be the same number. 2. The estimated sum is 200. 3 The estimated difference is 0.

117. MATH

If a car is driven 372 miles in 6.5 hours, then what is the average number of miles per hour?

118. Math riddle

1. is 100 rounds to 100 and 99 rounds to 100. 2. 100 + 99 = 199 which est to be 200. 3. 100 - 99 = 1 Which est.to be 0 zero.

119. MATH

To get an A in history, a student must score an average of 90 on four papers. Scores on the first three papers were 92, 83, and 88. What is the lowest score that a student can make on the last paper and still get an A? CAN YOU PLEASE SHOW IN DETAIL THANKS

120. English

Can I please have some help here. Is this correct for Mla citation. I used a piece out of our book from school in my paper. It has multiple authors and I can't find anywhere city of publication, publisher or year. If this is correct is the grammar right.

121. english

I need help...I have searched many websites and I feel like none of the websites have answered my question... I need to find the ideas, beliefs, and attitudes towards the age of Rationalism. I just can't seem to find it anywhere.. Please help me!

122. Precalc

i need help with this equation anything help will be greatly appreciated find the standard equation of a parabola with a focus (-2,0) directrix x=3

123. Heathcare

How does accountability of managers relate to leadership , organizational structures, and the mission and vision of an organization?

124. math

Please can someone help me with my math homework I just really don't ge it. I'm in a panic. Thank you Sarah

125. Economics

Explain why housing prices vary from city to city. Clearly explain how supply and demand affect the prices of the homes and be sure to show your work. I have triev everything and looked every where, but I am having trouble with the graphs. Can you please

126. human life

The text, Psychology and the Challenges of Life discusses several sources of stress. What sources of stress did the text identify in which you were previously unaware? Has your reading helped you identify any new sources of stress? If so, how might you

127. arithmetic

A man spend 75% of his income. when his income is increse by 20%. He increse his expenditure 10% . By what percent are his saving increse ?

128. mental

Post a 200- to 300-word response to the following: Discuss an environmental problem that you feel is significant in your town or city. What are some causes? Are any of these causes related to human values and environmental ethics? Explain.

129. History

Did Andrew Jackson live up the "Common man" in Worcester vs. Georgia or did he fail?

130. math

solve: sec x - 4 = 0 (radians)

131. Algebra

Find domain and range of each. {(-1,2) (0,2) (1,3) (2,2)} Domain: {-1,0,1,2} Range: {2,3} {(1,5) (2,9) (3,9)} Domain: {1,2,3} Range: {5,9} {(1,2) (1,5) (3,7)} Domain: {1,3} Range: {2,5,7} Are these all right?

132. math

interpret an r value of -0.82. a)strong negative correlation B)weak negative correlation C)strong positive correlation D)no correlation

133. Math

The game of dots is played by rolling a fair die and receiving \$1 for each dot showing on the top face of the die. What cost should be set for each roll if the game is to be considered a fair game?

134. math

what is 1/5 times 185

135. aed201

In hindsight, were there some things you could have done differently in terms of this science activity

the velocity

137. algebra

how do you find the slope-intercept of a line?

138. math

On T.V. game show, the constestant is aksed to select a dorr and then is rewarded with the prize behind the door selected. If the doors can be selected with equal probability. What is the expected value of the selection if the three dorrs have behind thema

139. math

The game called dots is played by rolling a fair die and receiving 1\$ for each dot showing on the top face of the die. What cost should be set for each roll if the game is to be considered a fair game? Not a clue on this one.

140. science

i did a lab experiement and I do not know what was the control group. I tested the rates of cellular respiration for: Germinated, room temperature peas Non-germinated, room temperature peas Germinated, cool temperature peas Which one is the control group

141. math

b=1/2jw j= solving variables

142. Gr 11 chem

hydrofluoric acid to be neutRalized

143. Gr11 chem

calculate mass of potassium Hydroxide

144. Literature

'List images of things in your daily life that are miracles or make you happy to be alive, like you did with your catalog poem. Then get two other people to share their daily joys. You will collect this for a later activity.' This is what I said: -My

145. Science

Does anyone know of a website that has all of the 20 amino acids not just the name but the actual thing like c-oh thing? thanks so much!!!

146. cooking

what does more liquid do for a recipe ?

147. math

what is the average or mean slope of the function f(x)=(10(x^1/2)+4 on the interval [2,6]

148. chemistry

in the lab of reaction with copper copper is suppose to loose mass because it oxidates. its that right or does it gain mass thanks

149. math

antiderivative of e^((-x^2)/2)??

150. social studies

how do I do a timeline chart describing or listing events that represent each year of my life?

151. science

describe the energy changes that takes place when a baseball bat is swung

152. Math

3ã2+(ã2)^3 i don't know how to add them ??

153. critcal thinking

A _________is a set of claims intended to support or prove a conclusion.

154. onomics

Explain why housing prices vary from city to city. Clearly explain how supply and demand affect the prices of the homes and be sure to show your work. I have tried everything and looked every where but I am having trouble with the graphs. Can you please

155. history

i need to make a poster or a leaflet about different attitudes to war. i was thinking about making poster but i`m not sure what to put on it.id be greful for any help. thankyou

156. calculus

find the derivative (1+x)(2+x)....(10+x)

157. Math - Algebra

If I have a garden that is square with sides of length x feet and next spring I plan to make it rectangular by lengthening one side 3 feet and shortening the other side by 3 feet. Find a polynomial A(x) that represents the new area. By how much will the

158. French

does anyone know of any pictures of musée du québec in quebec thanks

159. Math help with Algebra

Divide (x^4-y^4) by (x-y). Need to show work to help me understand. Also need to answer without parentheses. Thanks for any and all help with this one!!

160. Office Management

According to the Managerial Grid, which of the following scores is the best? a.5,5, b.8,4, c.9,1, d.9,7

161. Psychology

Which of the four positions of the nature of traits do you agree with most and why? Compare and contrast against one of the other four

162. Physics

In ten to fifteen pages, write the applications and effects of solid expansion

163. science

HOw has the artificial limb improved in efficiency over time since it started being used?

164. Math

What are the odds in favor of getting at least one head in three successive flips of a coin? Can someone help me figure out how to solve this, please?