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January 27, 2015

Homework Help: High School

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Statistics
The mean cost of domestic airfares in the United States rose to an all-time high of $385 per ticket. Airfares were based on the total ticket value, which consisted of the price charged by the airlines plus any additional taxes and fees. Assume domestic airfares are normally ...
Wednesday, June 11, 2014 at 6:27pm

physical science
Electrons are emitted from a conductor when the conductor is A. subjected to a small voltage. B. exposed to weak light. C. bombarded by high-speed electrons. D. cooled rapidly.
Wednesday, June 11, 2014 at 6:18pm

LA
which of the following is Phoebe most worried about? A. that her cholesterol will be too high B. that her mother has been kidnapped C. that Prudence will not make the cheerleading squad
Wednesday, June 11, 2014 at 2:24pm

physics
A body is to be projected at an angle with a velocity 24m/s just to pass over an obstacle 14m high at adistance of24m.then angle is what.
Wednesday, June 11, 2014 at 1:36pm

physics
A flat circular mirror of radius 0.150 m is lying on the floor. Centered directly above the mirror , at a height of 0.750 m, is a small light source. Calculate the diameter of the bright circular spot formed on the 2.90 m high ceiling by the light reflected from the mirror.
Tuesday, June 10, 2014 at 9:13pm

Physics
(a) How high a hill can a car coast up (engine disengaged) if work done by friction is negligible and its initial speed is 110 km/h? (b) If, in actuality, a 750-kg car with an initial speed of 110 km/h is observed to coast up a hill to a height 22.0 m above its starting point...
Tuesday, June 10, 2014 at 6:27pm

physics
(a) How high a hill can a car coast up (engine disengaged) if work done by friction is negligible and its initial speed is 110 km/h? (b) If, in actuality, a 750-kg car with an initial speed of 110 km/h is observed to coast up a hill to a height 22.0 m above its starting point...
Tuesday, June 10, 2014 at 3:21pm

Civics
In The Wealth of Nations, Adam Smith mentions that very good grapes could be grown in Scotland. However, growing high quality grapdes in Scotland would be about 30 times as expensive as purchasing grapes from foreign countries. Some nations are better than other at producing ...
Tuesday, June 10, 2014 at 12:52pm

high school algrebra 1
A youth group is planning a trip to a local amusement park. They are taking a van which holds 10 people. It will cost $25 for parking and tickets to enter the park are $18 per person. create an equation for this situation
Tuesday, June 10, 2014 at 12:49pm

Physics
. (a) How high a hill can a car coast up (engine disengaged) if work done by friction is negligible and its initial speed is 110 km/h? (b) If, in actuality, a 750-kg car with an initial speed of 110 km/h is observed to coast up a hill to a height 22.0 m above its starting ...
Tuesday, June 10, 2014 at 12:33pm

Civics
Would it be possible to have a social direct democracy? -No, in a socialist society only a few high-ranking member of the communist party have political power. -No, a direct democracy requires a free market economy which is not socialist. -Yes, if everyone voted on economic ...
Tuesday, June 10, 2014 at 11:00am

trig
A weight attached to a long spring is bouncing up and down. As it bounces, its distance from the floor varies periodically with time. You start a stopwatch. When the stopwatch reads 0.3 seconds, the weight reaches its first high point 65 cm above the ground. The next low point...
Monday, June 9, 2014 at 12:16am

Maths, Divine International Public School
If 15Cot=8, find (1+SinA)(1-SinA)/(1+CosA)(1-CosA)
Sunday, June 8, 2014 at 11:01pm

Math 11
From a weather balloon high in the air, the angle of depression of a ground marker is 27.8 degrees. If the balloon rises 345 m straight up the angle of depression from this higher point is 46.2 degrees. How high above the ground is the balloon?
Sunday, June 8, 2014 at 10:29pm

Chemistry
27. Excess exposure to nuclear radiation can cause harm. All of the following statements about radiation are true EXCEPT A. Radiation can damage living tissue because of the high energy associated with the radiation. B. Radiation can damage biological molecules by knocking an ...
Sunday, June 8, 2014 at 9:55pm

statistics
An investigator wants to estimate caffeine consumption in high school students. How many students would be required to estimate the proportion of students who consume coffee? Suppose we want the estimate to be within 5% of the true proportion with 95% confidence. Alpha = ...
Sunday, June 8, 2014 at 7:26pm

English
This restaurant carries several kinds of street food such as odeng, tteokbokki, pretzels, beaver tails, waffles, and stick food. Odeng is fish cake. An odeng is 500 won. Both a long odeng and a flat odeng are 500 won. A tteokbokki is 500 won as well. A bungoeppang is 500 won. ...
Sunday, June 8, 2014 at 5:21pm

Physics
A 4.5kg box slides down a 4.1-m -high frictionless hill, starting from rest, across a 1.7-m -wide horizontal surface, then hits a horizontal spring with spring constant 490N/m . The other end of the spring is anchored against a wall. The ground under the spring is frictionless...
Sunday, June 8, 2014 at 4:21pm

READING
words to use: curtail, devastate, digress,incentive, incorporate, indispensable,intermittent,rigor,squande​r and succumb.... Linda never had to work hard to make good grades in high school. But in college, where the rigors of course work were greater, she soon learned ...
Saturday, June 7, 2014 at 11:23pm

Physics
June stands on the roof of the house which is 22.8 m high and she throws the ball at an initial speed of 4.90 m/s downward at Ben who is 1.80m tall. a) With what speed does she hit her target's head and b) how much time was it in the air? Displacement= 21 m. -Place ...
Saturday, June 7, 2014 at 10:34pm

reading
words to use: curtail, devastate, digress,incentive, incorporate, indispensable,intermittent,rigor,squande​r and succumb.... Linda never had to work hard to make good grades in high school. But in college, where the rigors of course work were greater, she soon learned ...
Saturday, June 7, 2014 at 10:25pm

reading
words to use: curtail, devastate, digress,incentive, incorporate, indispensable,intermittent,rigor,squande​r and succumb.... Linda never had to work hard to make good grades in high school. But in college, where the rigors of course work were greater, she soon learned ...
Saturday, June 7, 2014 at 9:53pm

vocabulary
Please check for correction ! words to use: curtail, devastate, digress,incentive, incorporate, indispensable,intermittent,rigor,squande​r and succumb.... Linda never had to work hard to make good grades in high school. But in college, where the rigors of course work ...
Saturday, June 7, 2014 at 8:49pm

maths
John wishes to determine the height of a flagpole. He takes a sighting of the top of the flagpole from point P. He then moves further away from the flagpole by 20 metres to point Q and takes a second sighting. Given the angle Q is 28 degrees and angle P is 53 degrees. Find how...
Saturday, June 7, 2014 at 7:33pm

Physics
Frank is traveling the posted speed limit of 36 mi/hr in a school zone. A deer darts out between two cars. He instantly hits the brakes and the car decelerates at a rate of 5.0 m/s^2. a) how much stopping distance will he require in (meters)? b) If he was going twice the ...
Saturday, June 7, 2014 at 5:05pm

Lone Peak High
How much of a stock (18.5 M) HCl solution would be required to make 100mL of 0.025 M HCl?
Saturday, June 7, 2014 at 10:04am

English
Let me introduce our team's favorite restaurant. Our team's favorite restaurant is Yumyum Tteokbokki(It is seasoned and cooked long rice cake). It's next to the stationery store in front of our school. Tteokbokki in the restaurant is sweet and hot. I often go to ...
Saturday, June 7, 2014 at 4:25am

English
What is in the classroom? 1. There is a blackboard in the classroom. 2. There are lots of lockers in the classroom. 3. There are chairs and desks in the classroom. 4. There are many school bags in the classroom. Good job! What else can we see in the classroom? 5. There is a ...
Saturday, June 7, 2014 at 12:53am

government
The United States government puts high tariffs on a certain product that is imported from other countries. What effect does this have in the United States? A. U.S. producers have to compete more with the imported product. B. The product costs more in the U.S. that on the world...
Friday, June 6, 2014 at 11:44pm

I may fail the 8th grade?
My home life has been crazy so I missed a lot of school and got bad grades. My anxiety is through the roof right now and i'm shaking a lot. all i need to do is get a 75% in math. and i just can't this is my biggest fear I can't see how life goes on after failing a ...
Thursday, June 5, 2014 at 3:24pm

Kwamasosha high school economics
What are welfare payments or consumer subsidies?
Thursday, June 5, 2014 at 10:12am

science
An unsecured astronaut is floating in deep space. He switches on a hand held drill. The drill bit begins rotating clockwise with high angular velocity. Describe what happens to the astronaut- drill system and explain why.
Thursday, June 5, 2014 at 3:35am

physics
The exhaust temperature of a heat engine is 250∘C .What must be the high temperature if the Carnot efficiency is to be 35% ?
Wednesday, June 4, 2014 at 9:53pm

Delcambre High
a trail mix recipe calls for 1/3 pound of mixed nuts, 4/15 pound of raisins and 2/5 pounds of granola. What is the ratio of raisins to mixed nuts in simplest form?
Wednesday, June 4, 2014 at 5:33pm

Math
Trudi Can Either Walk TO School, Or She Can Take The Bus. The Probability Of Her Taking The Bus On Any Given Day Is 0.77. Assuming That Her Choice Of Transport On Any Given Day Is Independent Of Her Choice Of Transport On Another Day, Find Out The Probability Of Her Taking The...
Wednesday, June 4, 2014 at 3:15pm

English
I asked a question earlier about creating a title for an article i wrote in English, the article being about school, and the pressure to achieve and the stress on students, and I can't figure out a good title, I've gotten some help from people and suggestions but I can...
Tuesday, June 3, 2014 at 11:24pm

physics
A fisherman who lives in a high rise apartment building in Toronto, weighs a fish on a spring scale and records a 11.2 N reading. He reweighs the fish while he is in his elevator and records a reading of 13.1 N. What is the acceleration of the elevator at that moment?
Tuesday, June 3, 2014 at 6:14pm

Science Please Help Me
1.A weatherman reports, “The storm waves are about 2 meters high and about 35 meters apart.” What properties of waves is the reporter describing? (1 point) A.frequency and wavelength B.wavelength and wave speed C.amplitude and wavelength D.amplitude and frequency 2. ...
Tuesday, June 3, 2014 at 1:53pm

English
I'm writing an article for my english exam prep, and my main topic that i went off of was the relationship between school, homework and stress on teenagers (the exam prep topic is relationships) in the article I talk about how homework is a large stress in most teenagers ...
Tuesday, June 3, 2014 at 12:42pm

history PLEASE checkk
1. How are the education improvement act of 1984 and the education accountability act of 1998 similar? A. Both acts require students to take the Palmetto Challenge Achievement Test. B. Both acts require students to pass an exit exam to obtain High School diploma*** C. Both ...
Tuesday, June 3, 2014 at 11:26am

History
I still need help with what ethical dimensions are, I understand that it's 'the scope of right and wrong''the extreme of right and wrong' but I don't understand how to apply that to my question, which is what are the ethical dimensions of bill 94? Bill ...
Tuesday, June 3, 2014 at 12:36am

physics
An astronaut on Triton throws a 0.142 kg baseball straight up with a velocity of 24 m/s. How high does the baseball go?
Monday, June 2, 2014 at 10:40pm

lang arts
1. Nearly 150 years later, a talented ballet dancer appeared in the same city. ANS: Part= talented & ballet, same 3. Nevertheless, she joined into the famed Imperial School of Ballet in St. Petersburt ANS: Part= famed 4. Anna's teachers were famous themselves. ANS: PA = ...
Monday, June 2, 2014 at 10:22pm

language arts
indicate the Predicate Adjective & Participle of ea sentence: 1. Nearly 150 years later, a talented ballet dancer appeared in the same city. ANS: Part= talented, PA =same 2. Anna Pavlova's family was poor. ANS: PA = poor 3. Nevertheless, she joined into the famed Imperial ...
Monday, June 2, 2014 at 10:04pm

algebra
1)the gateway arch, which can be closely approximated by a parabola, is 630 feet high and 630 feet across at the base. The Gateway arch is the tallest man-made monument found in the United States in St. Louis Missouri. The maintenance crew is doing some work on the arch. The ...
Monday, June 2, 2014 at 7:14pm

when the energy of a sound wave is transferred to
when the energy of a sound wave is transferred to a particle of a medium and causes it to vibrate and generate heat, the sound wave is a. reflected b. refracted c. absorbed d. transmitted The pitch of the siren of a moving fire truck changes from high to low as the fire truck ...
Monday, June 2, 2014 at 5:03pm

*Repost* (sorry!) Health & PE HELP ASAP PLEASE!!!!
1. A long term health benefit of regular physical activity is improved A. coordination B. reaction time C. ability to fight heart disease***** D. speed 2. Ginger and Kelly go to the same middle school in their town. Ginger rides her bike daily to and from school, while Kelly ...
Monday, June 2, 2014 at 3:55pm

Algebra
A ball is thrown into the air. The height in feet of the ball can be modeled by the equation h = -16t2 + 20t + 6 where t is the time in seconds, the ball is in the air. When will the ball hit the ground? How high will the ball go?
Monday, June 2, 2014 at 3:54pm

hEALTH CHECK ANSWERS
1. Dante loves swimming but he wants to improve his arm strength. He researches kayaking and decides to participate in this activity. Which location would provide him the best location for training? A. swimming pool B. ocean with friends C. local river with a trained kayaker...
Monday, June 2, 2014 at 3:19pm

Health & PE help asap pls!!!!!
1. A long term health benefit of regular physical activity is improved A. coordination B. reaction time C. ability to fight heart disease***** D. speed 2. Ginger and Kelly go to the same middle school in their town. Ginger rides her bike daily to and from school, while Kelly ...
Monday, June 2, 2014 at 2:54pm

social problems
Justin makes a comfortable living as a construction worker. Other people who were in high school with him have bigger houses and drive fancier cars. Justin thinks he deserves to have more money, so he begins to make plans to rob a bank. What theory of violence best explains ...
Monday, June 2, 2014 at 9:02am

History
What are the ethical dimensions of bill 94? (Bill in Quebec that banned face covering in any government funded building such as hospitals, government-subsidized high schools and universities) I mostly need help on the definition of ethical dimensions, I can't remember what...
Monday, June 2, 2014 at 3:08am

trigonometry, check please
A 12 ft. ladder makes a 33o angle with the side of a house. To the nearest tenth of a foot how high up on the house does the ladder come? I set it up 12xcos33 giving me 10.0
Sunday, June 1, 2014 at 9:36pm

Math
Hi could you please solve this as quick as possible, thanks. A tree 34 m high cast a shadow 12 m long. The angle of the inclination of the sun is closest to: A 70 B 21 C 69 D 19 E 79 Thanks
Sunday, June 1, 2014 at 8:43pm

algebra2/ Trigonometry
A bag contains 24 green marbles, 22 blue marbles, 14 yellow marbles, and 12 red marbles. Suppose you pick one marble at random. What is each probability? A. P(yellow) B. P( not blue) C. P( green or red) Tip: High School Math
Sunday, June 1, 2014 at 7:07pm

Language arts
1. A student who toiled at school would probably get good grades.**** play a lot of sports. get suspended. 2. Read the following paragraph from Coming to America. Then answer question 2. "In my hometown of Ting Jiang, in southeastern China, people always said that America...
Sunday, June 1, 2014 at 6:06pm

MATH HELP!!!!
A searchlight located 200 meters from a weather office is shined directly overhead. If the angle of elevation to the spot of light on the clouds is 35°, how high is the cloud ceiling? Round to the nearest hundredth.
Sunday, June 1, 2014 at 5:29pm

world history
what are some songs about Buddhism? They are needed for a school project.
Sunday, June 1, 2014 at 2:09pm

physics
an object is dropped from the window of an apartment in a high rise building reaches the ground in 3 seconds. on which floor the apartment is located if height of each floor is 4m and window is 1 meter above the ground of that floor?
Friday, May 30, 2014 at 1:17am

physics
A 0.180 kg block on a vertical spring with spring constant of 4.00 ✕ 103 N/m is pushed downward, compressing the spring 0.061 m. When released, the block leaves the spring and travels upward vertically. How high does it rise above the point of release?
Thursday, May 29, 2014 at 11:51pm

physics
A rock is dropped from a sea cliff, and the sound of it striking the ocean is heard 3.2 s later. If the speed of sound is 340 m/s, how high is the cliff? vo= 0; s=340 m/s; t= 3.2s h=? t1+t2= 3.2 s t2= 3.2-t1 I used Eq: h= vo*t^1+1/2at^2 rearranged eq. h= (4.9)(t)^2 t^2= h/4.9 ...
Thursday, May 29, 2014 at 11:31pm

Microeconomics
Correcting for negative externalities - Regulation versus tradablepermits Suppose the government wants to reduce the total pollution emitted by three local firms. Currently, each firm is creating 4 units of pollution in the area, for a total of 12 pollution units. If the ...
Thursday, May 29, 2014 at 10:14pm

math
An object is thrown or fired straight upwards at an initial speed of v_0 ft⁄s will reach height h feet after t seconds, where h and t are related to the formula h=-16t^2+v_0 t Suppose the object is fired straight upwards with an initial speed of 800ft⁄s, What is ...
Thursday, May 29, 2014 at 10:17am

algebra
1) The maintenance crew is doing some work on the arch. The work will be done on the right side of the arch. In order to bring the equipment up the maintenance crew has constructed a temporary ramp from the ground on left side of the arch to the level where the work will be ...
Wednesday, May 28, 2014 at 2:27pm

algebra
1) The maintenance crew is doing some work on the arch. The work will be done on the right side of the arch. In order to bring the equipment up the maintenance crew has constructed a temporary ramp from the ground on left side of the arch to the level where the work will be ...
Wednesday, May 28, 2014 at 1:32pm

trig length
To secure a 610-meter radio tower against high winds, guy wires are attached to a ring on the tower. The ring is 7 meters from the top. The wires form a 69o angle with the ground. To the nearest hundredth meter find the length of the guy wire
Tuesday, May 27, 2014 at 9:36pm

trig
A 15 ft. ladder makes a 35o angle with the side of a house. To the nearest tenth of a foot how high up on the house does the ladder come?
Tuesday, May 27, 2014 at 7:17pm

English III
Franklin Roosevelt's "State of the Union Address, 1941," excerpt ( ) For there is nothing mysterious about the foundations of a healthy and strong democracy. The basic things expected by our people of their political and economic systems are simple. They are: ...
Tuesday, May 27, 2014 at 6:52pm

statistics
A company director took a sample of salaries of 13 employees in a big school during a certain time. she divided the wages into three groups according to the different jobs: teachers, assistants and coordinators as displayed in the table below. She wanted to find out whether or...
Tuesday, May 27, 2014 at 11:04am

algebra
the gateway arch is the tallest man-made monument found in the united states in St. Louis missouri. The gateway arch can be closely approximated by a parabola, is 630 feet high and 630 feet across at the base. 1) the maintenance crew is doing ht side of the arch, In ordersome...
Monday, May 26, 2014 at 8:12pm

trigonometry
A tent pole is 85 feet high. A cable is attached to the ground 200 feet from the tower base. How long is the cable? What is the measure of the angle the cable makes to the ground?
Monday, May 26, 2014 at 7:56pm

Precal
Suppose that you are sitting in a chair on a Ferris wheel that has a diameter of 120 feet that is boarded 6 feet above the ground at the 6 o’clock position. If the Ferris wheel moves in a counterclockwise direction and makes one revolution every 12 minutes, how high will ...
Monday, May 26, 2014 at 5:54pm

science (check!)
2. A salamander is a keystone species in a forest ecosystem with high biodiversity. This species migrates from woodland areas to a local stream to reproduce. If a road is built that cuts off the woodland areas from the stream, what effect will this have on the forest ecosystem...
Monday, May 26, 2014 at 4:07pm

algebra
Suppose that state’s record high temperature of 102 was set in 1930, and the record low of -14 was set in 1966. What is the range of these temperature extremes?
Monday, May 26, 2014 at 11:02am

math
The Washington Monument is 169 meters high. Find the angle of elevation to the nearest degree to the top of the monumenmt from a point .5 km from the base.
Sunday, May 25, 2014 at 8:49pm

Algebra II
Part 1: Using complete sentences, compare the key features and graphs of sine and cosine. What are their similarities and differences? Answer: The sine graph will always pass through (0, 0), While the cosine graph wouldn't. If the graph is 2cosx, it will pass through (0, 2...
Sunday, May 25, 2014 at 7:05pm

math
An object is thrown or fired straight upwards at an initial speed of v_0 ft⁄s will reach height h feet after t seconds, where h and t are related to the formula h=-16t^2-v_0 t Suppose the object is fired straight upwards with an initial speed of 800ft⁄s, What is ...
Sunday, May 25, 2014 at 3:09pm

ALGEBRA
Suppose that state’s record high temperature of 102 was set in 1930, and the record low -14 of was set in 1966. What is the range of these temperature extremes?
Sunday, May 25, 2014 at 1:47pm

trig
Robert is standing on a cliff and looks down at an angle of depression of 62 degrees to look at a boat. The cliff is 76 feet high. How far is the boat from the cliff? Round your answer to two decimal places. The boat is _________ feet from the cliff.
Saturday, May 24, 2014 at 11:57pm

business communication
I wanted to welcome you asap to our little family here in the states. Its high time we shook hands in person and not just across the sea. Im pleased as punch about getting to know you all,and I for one will do my Level best to sell you on america rewrite in hong kong english
Saturday, May 24, 2014 at 9:27pm

seaview high
Find a conjecture for a general rule for the maximum number of regions into which a circular field can be divided by choosing N random points on the circumference.
Saturday, May 24, 2014 at 10:55am

Masijabule High School
What is the South African goverment providing and to whom?
Saturday, May 24, 2014 at 8:07am

physics
Gamma rays (ã-rays) are high-energy photons. In a certain nuclear reaction, a ã-ray of energy 0.510 MeV (million electronvolts) is produced. Compute the frequency of such a photon.
Saturday, May 24, 2014 at 12:52am

having trouble please help?
2. which survey question is unbiased? a: "Do you think we should allow them to cut down the trees and pave over grass for the new playground?" b: "Which do you prefer with a meal-water, or a durupy sweet soft drink?" c: "Should there be a school dress ...
Friday, May 23, 2014 at 5:13pm

james madison high school algebra
Can anyone help me with Ashworth high algebra 1 part 2 I really need some help I'm not good with math
Friday, May 23, 2014 at 5:10pm

Science
5. Justin usually blows his nose using Kleenex tissues. His snot keeps leaking through the tissue. He decided he's going to create and experiment to find out if there is something better. What is 1 constant? a. type of tissue b. Justin c. amount of tissue d. mass of snot ...
Friday, May 23, 2014 at 4:04pm

math last set up
To secure a 618 meter radio tower against high winds, guy wires are attached to a ring 10 meters from the top of the tower. Each wire is anchored 90 meters from the base of the tower. Find the measure of the angle the wire makes with the ground. Round your answer to the ...
Thursday, May 22, 2014 at 11:44pm

trig
A loading ramp is 35 feet long and forms an angle measuring 10° with the ground. How high is the top end of the ramp off the ground? Round your answer to the nearest tenth?
Thursday, May 22, 2014 at 6:40pm

geography
PLzz anyone know these 1. What approach to development did the Brundtland Commission propose? (1 point) a. high density development b. sustainable development c. slow growth development d. high impact development 2. A person who adapts an anthropocentric view (1 point) a. ...
Thursday, May 22, 2014 at 5:38pm

math
To secure a 500 meter radio tower against high winds, guy wires are attached to a ring that is 5 meters from the top of the tower. The wires form a 15 degree angle with the tower. Find the distance from the base of the tower to the guy wire anchor in the ground. Round your ...
Thursday, May 22, 2014 at 5:29pm

pe
1. Which resource would be the best choice to learn more information about joining a cricket team? (1 point) county aquatics facility lifeguard * local community center private equestrian center 2. At the 8th grade dance, Myron asks Janelle if she would like to dance with him ...
Thursday, May 22, 2014 at 2:18pm

Statistics
Coaching companies claim that their courses can raise the SAT scores of high school students. But students who retake the SAT without paying for coaching also usually raise their scores. A random sample of students who took the SAT twice found 427 who were coached and 2733 who...
Thursday, May 22, 2014 at 1:03pm

Stats
I am working on a review sheet and got everything except for this one. I am not sure whether to use z or t. The number of hours per week that high school juniors watch TV is normally distributed with a mean of 8 hours and a standard deviation of 2 hours. If 100 students are ...
Wednesday, May 21, 2014 at 4:26pm

science help !!
1. Why is California’s high-speed rail such a groundbreaking effort? 2. Why will it take so long to complete the high-speed rail route?
Wednesday, May 21, 2014 at 3:47pm

Science 1 question
5. Which of the following would be true during the inhalation phase of breathing? A. The lungs are inflated, oxygen concentration is high, and carbon dioxide concentration is low in the alveoli. B. The lungs are deflated, oxygen concentration is high, and carbon dioxide ...
Wednesday, May 21, 2014 at 3:20pm

Science Check Answers?
Which of the following best summarizes the function of the respiratory system? A. to transport oxygen to cells and wastes away from cells. B. to protect the organs in the chest cavity C. to move oxygen from the air into the body and carbon dioxide from the body into the air D...
Wednesday, May 21, 2014 at 3:16pm

English
Choose the best answer. Which sentence would make the best opening for a speech arguing for more nutritious school lunches? A.) Many students dislike the current lunch menus, and I feel they should be changed.********************************​ B.) Evidence from a number ...
Wednesday, May 21, 2014 at 1:13pm

Physics
2. How much energy would a body of mass 50kg need to provide for the following: a. Climbing a hill 500m high. b. Walking up steps 10m tall. c. Jumping 10cm up.
Wednesday, May 21, 2014 at 11:11am

Help Mrs.Sue LA
Courage to Speak “Any volunteers?” Ms. Chavez scanned the class. Ming slouched farther down in her seat. “Come on now, you’ll all have to interview someone sometime this year. No one wants to go first? Okay, I’ll just have to choose someone.” I am...
Wednesday, May 21, 2014 at 10:51am

physics
If I put the tip of a 100 foot pipe in the ocean and applied a perfect vacuum to the top, how high would the water rise in the pipe?
Tuesday, May 20, 2014 at 9:57pm

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