1. H.E.L.P

1. Which of the following describes the correct sequence of the movement of food during digestion? stomach, large intestine, small intestine *** mouth, esophagus, small intestine esophagus, stomach, small intestine small intestine, stomach, large intestine

1. Name the components of the respiratory system in the order incoming air would encounter them during breathing. trachea, pharynx, larynx, alveoli, bronchi bronchi, larynx, alveoli, trachea, pharynx larynx, trachea, bronchi, pharynx, alveoli pharynx,

3. Math 6

n ice cream stand sells chocolate, vanilla, and strawberry ice cream as well as a choice of 22 toppings. How many choices are there for a single flavor of ice cream with one topping? How do I do this? is it 46 choices? Am I right?

4. math 7Probability help

two numbers rolled can be added to get a sum. Find P(sum is even) is it 1/4 ? or 1/2? I think it is 1/4

5. Physics

A cyclist starts from rest and coasts down a 6.5∘{\rm ^\circ} hill. The mass of the cyclist plus bicycle is 95kg{\rm kg} . The cyclist has traveled 270m{\rm m} .What was the net work done by gravity on the cyclist? How fast is the cyclist going? Ignore

6. Math7 Am I right?

Below are the results of tossing a number cube 8 times. Find the experimental probability of tossing an even number. 3,4,1,2,5,1,6,5 3/8 right?

7. Science

1. Which of the following describes the correct sequence of the movement of food during digestion? stomach, large intestine, small intestine *** mouth, esophagus, small intestine esophagus, stomach, small intestine small intestine, stomach, large intestine

8. Chemistry

How would you write these chemical reactions?Can someone do one or two reactions for each problem, so I could get an idea of to them? ..I'm nit sure how most of the oeoducts wouls turn out..especially if it is a precipitate. 5. When Mn^2+ ions are

9. Sciene

Is Meiosis actually Mitosis happening twice? My answer- Yes because they are both a cell division process.

10. science

A chemist mixes two liquids together. The reaction produces a gas and a solid. According to the law of conservation of mass, what should the chemist observe when she compares the total masses of the substances before and after the reaction?  (1 point)

5. A magnetic field map shows a. the direction of the magnetic field. b. a few representational field lines. c. relative strength of the magnetic field. d. All of these choices are correct. my answer: d 6. Magnetic field lines a. can cross each other when

12. Chemistry

During an acid-base titration, 25 mL of NaOH 0.2 M were required to neutralize 20 mL of HCl. Calculate the pH of the solution for each: a) Before titration b) After adding 24.9 mL of NaOH c) At equivalence pt d) After adding 25. 1 mL of NaOH e) The pH of

1. For a bar magnet, the magnetic field lines point a. towards the South pole. b. towards the North pole. c. always towards the magnet. d. always away from the magnet. my answer: a 2. Magnetic field lines a. are straight lines. b. are always circles. c.

1. Which of the following is not a function of the circulatory system? breaks down large molecules delivers oxygen to body cells **** takes carbon dioxide away from body cells fights infection 2. Which of the following explains why the heart is organized

15. Physic

If a scuba diver fills his lungs to full capacity of 5.5LL when 8.2mm below the surface, to what volume would his lungs expand if he quickly rose to the surface? Assume he dives in the sea, thus the water is salt.

16. Organic Chemistry

A student obtains a yield of 79% from his salicylic acid. How many grams of salicylic acid will the student need to produce 135 g of aspirin?

17. Ethics in Criminal Justice

The correlativity of rights and duties mean that: A. moral duties override moral rights. B. moral rights override moral duties. C. the existence of moral rights implies duties by which other must abide. D. None of the above. I think the answer is A but not

18. Science-3 question

1. Which of the following is not a function of the circulatory system? breaks down large molecules delivers oxygen to body cells **** takes carbon dioxide away from body cells fights infection 2. Which of the following explains why the heart is organized

19. (1-13) Chemistry - Science

Which of the following effects will make the ratio (PV) / (nRT) less than 1 for a real gas? a) The gas molecules are large enough to occupy a substantial amount of space. b) A large number of molecules have speeds greater than the average speed. c) The gas

20. chemistry

One kind of battery used in watches contains mercury(II) oxide. As current flows, the mercury(II) oxide is reduced to mercury. HgO(s) + H2O( ) + 2 e–  Hg( ) + 2 OH–(aq) If 2.3  10–5 amperes flows continuously for 1200 days, what mass of Hg( )

21. math

Divide: 12x^2y - 6xy + 4x^2 ____________________ 2xy Thank you!!

22. (1-11) Chemistry - Science (Dr. Bob222)

Liquid chloroform (CHCl3) is placed in a closed container and allowed to equilibrate with chloroform vapor. With the temperature held constant, additional chloroform is introduced into the system, and the vapor-liquid equilibrium is reestablished.

23. MATH

A paper bag contains a mixture of three types of treats: 12 granola bars, 10 fruit bars, and 8 cheese strips. Suppose that you play a game in which a treat is randomly taken from the bag and replaced, and then a second treat is drawn from the bag. You are

24. ALGEBRA

A right triangle’s hypotenuse is 20 cm long. What is the length of the side opposite a 60° angle? Give your answer to the nearest tenth of a centimeter. • 40 • 18.5 • 20 • 17.3 Please show how.

25. Chemistry - Science (Dr. Bob222)

Liquid chloroform (CHCl3) is placed in a closed container and allowed to equilibrate with chloroform vapor. With the temperature held constant, additional chloroform is introduced into the system, and the vapor-liquid equilibrium is reestablished.

26. Algebra 2

Select the first five terms in the arithmetic sequence an=8n, starting with n=1

27. calculus

find the volume of solid inside the paraboloid z=9-x^2-y^2, outside the cylinder x^2+y^2=4 and above the xy-plane 1) solve using double integration of rectangular coordinate. 2) solve using double integration of polar coordinate 3)solve using triple

48. math

____ income is subject to federal taxes. Gross Adjusted gross Net Taxable

49. math

If 20 teachers in a faculty of 80 are transferred,what percent of the original faculty remains?

50. Science 2

One light year is about 9 trillion kilometers. Arcturus is a star that is 37 light years from earth. If you are about 11 years old now , how old will you be when light that is leaving. Arcturus today reaches Earth ? How far, in kilometers, will it have

51. maths

Given the quadratic equation y = -x^2 + 2x + 3. a) Will the graph turn upwards or downwards? b) What are the coordinates of x and y intercepts? c) What is the coordinate of the turning point? d) Use your answer in parts (a,b,c and d) to sketch the graph.

52. english

What is the correct way to write mens' in this sentence? After their group got caught in the rain, the mens' clothes were all soaked. A. Leave the sentence as si. B. Men's C. Mens's D. Men'

53. Science/Math

A water jet approximately 10ft in length & 6-7 inches in diameter traveling @ mach3.5-4.5 hitting an object traveling @ mach 5, 10-15ft in length with a weight of 2500 lbs can its course of travel be altered, and/or can said object be destroyed completely?

54. Math 222

How do you subtract and write 1/2-3/4 in simplest form. I am stuck can anyone help me. this is what i cam up with. 1 3 2 -- - = - 2 4 2 I am not sure if this is correct.

55. English help

From the words below supply the words needed to complete the sentences. Prolific, incontrovertible, tentative A. He said that he had made a TENTATIVE offer on a pair of rabbits; he planned to call back and confirm if his wife did not object. His wife,

2+√-16

57. chemistry

This functional group can be generated by oxidation of an aldehyde. Oxidation is just the reaction with oxygen, but unlike combustion you are not producing carbon dioxide and water.

58. algebra

a seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude 5.3x10^2 um. Find this earthquake's magnitude. Round this answer to one decimal place.

59. math

Over 75% of the revenue received by the federal government is from ____ and ____ taxes.

In a Forbes magazine article from October 2013 Susan Adams wrote of a survey done by the National Association of Colleges and Employers from Bethlehem, Pa. From early August to mid-September that year they asked 200 hiring managers what skills they

61. maths

If alpha and beta are the zeros of the polynomial p(x)=x^2+x+1 then find the value of 1÷alpha+1÷beta 2)alpha^2+beta^2

62. MATH

A conveyor belt sushi restaurant lets you choose what you want to eat from variously-coloured plates that go by. You pay based on the colours of the plates. After dinner, 1 green plate, 4 yellow plates, and 2 blue plates. Use the Fundamental Counting

63. physical

A 2500‐kg vehicle traveling at 25 m/s can be stopped by gently applying the breaks for 20 seconds. What is the average force supplied by the breaks to stop the vehicle?

64. (1-15) Chemistry - Science

Assume a gas of molecular mass M g/molecule obeys the Maxwell Boltzmann distribution of speeds at temperature T. If u2> u1, the ratio of the number of molecules at speed u2 to the number at speed u1 a) is always less than one. b) is always greater than

65. (1-22)Chemistry - Science

Consider the following reaction: C(s) + H2O (g) ⇌ CO (g) + H2 (g) (Kp = 0.45 at 900 K) What is the equilibrium partial pressure of H2O when the initial partial pressure of water is 1.00 atm? a) 0.43 atm b) 0.58 atm c) 0.22 atm d) 0.52 atm e) 1.16 atm

66. math

The average of P numbers is x and the average of N numbers is y. What is the average of all the (P+N)numbers? a. x+y/2 b. x+y c. Py+Nx/xy(P+N) d. x+y/P+N e. Px+Ny/P+N

67. physics

If I am standing on top of a building that is 350 ft. high and I throw a baseball off the roof at angle of 60 degrees, determine how long the ball is in the air as well as how far it lands from the building.

68. math

at the beginning of the year,Daniel was 62 inches tall. Now he is 66 inches tall. Find the percent of change

69. Engineering skill

anybody here to give me notes to solve this question (A and B are two points on a pipe of diameter 600 mm. the grid reference for the two points are given in the below , together with the elevation of the top of the pipe at these points. A drain pipe is

70. English help

1. Thyme: herb:: A. Fearless: brave B. sedan: auto C. Speech: mouth D. Auto: garage Is it b? 2. Bat: raccoon:: A. Bird: robin B. insect: snake C. Owl: possum D. Porpoise: whale Is it c? 3. Penny: coin A. Dollar: pound B. whisper: speak C. Epic: poem D.

71. English help

From the words below supply the words needed to complete the sentences. Compatible, virtuoso, vilify, vulnerable, incipient, colloquial A. The VIRTUOSO who had spent ten years refining his skills as a violinist would sarcastically VILIFY those who made

72. English help

From the words below supply the words needed to complete the sentences. Querulous, commiserate, tedious, pugnacious, thwart, incorrigible A. Trying to keep the INCORRIGIBLE prisoners from escaping was Jack's responsibility. Although he sometimes enjoyed

73. ALGEBRA

2nd posting - my mistake When will the dependent variable in the equation y= sqrt [x+4-3] equal or exceed 4 • x ≥ –0.17 • x ≥ 45 ** is it this one? • x ≥ 48 • x ≥ 53

74. Calculus

Given f'(x)=9/2x(3x^2+2)^1/2 (this is the derivative of y= sqrt[(3x^2+2)^3]) , state any values of x for which the function is not differentiable

75. Algebra 1B

f(x) = -7x^2 + 3x + 5.What is the appropriate values when solving? I just do not understand help please

76. Math

Simplify so it is one fraction. (8x/(x-8)) - (4/(x-8)) (8x - 4)/(x - 8)?

77. pre algebra

What is the slope for the following data? X -1 0 1 2 Y 0 1 2 3 y2 - y1 ---------- x2 - x1 rise / run

78. ALGEBRA

Solve for b. [sqrt] b^4/25=4 I do not know how to type two of the possible answers.

79. math

If you needed to make a key business decision, explain what information you would want to review and why.

80. algebra

Given the function f(x)=7-(1/8)x ,find a formula for the inverse function. show work.

81. English

1. The house itself was ugly. 2. I saw Mr. Smith himself. 3. I don't like the house itself. --------------- Are they all grammatical?

82. Math

Expand (1+y+ky^2)^8 until y^3

83. Math

Solve for the inequality: 1/3^x (1/3^x - 2) < 15 I know the answer is x > - (log 5/log 3), can someone explain me how?

84. english

What should you do to the following sentence to avoid using a double negative? Even with glasses on, she didn't never see well. A. Leave the sentence as is. B. Even with glasses on, sue didn't ever see well. C. Even with glasses on, she never saw nothing

85. english

Please help: Which sentence uses apostrophes correctly? A. Martha's new bike was stuck and couldn't nove. B. Tracy's only brothers' birthday si the day before hers. C. Walter's childrens' grades have been improving lately.

86. english

Which is the best place to find more info about the development of photography in the mid 1800/s. -photography manual - history textbook .encyclopedia