Friday

May 22, 2015

May 22, 2015

**English**

Identify the common noun in the sentence Every year Black Middle School host its annual Spring Fling I thought it was year maybe
*Sunday, October 5, 2014 at 1:08pm*

**physics**

Janet Leapverifyar drops from a high dive platform with a horizontal velocity of 2.8 m/s. She lands in the H2O below 2.6 seconds later. a. How high is the platform? b. How far from the base does she land? c. What is her final velocity in the vertical direction?
*Sunday, October 5, 2014 at 1:03pm*

**math problem**

the school cafeteria serves pizza every sixth day and applesauce every eighth day. suppose that pizza and applesauce are both on today's menu. In how many days will they be together on the menu again?
*Sunday, October 5, 2014 at 12:43pm*

**Social Studies**

What was one thing that the Salzburgers established that the other settlers did not? A. Hospital B. School System C. trading post D. tavern I think C??
*Sunday, October 5, 2014 at 11:18am*

**statistics**

how to identify the 5 W's in the problem of the student averages in a High School college algebra class for the last semester. the teacher wanted to see how well the class did and constructed the Distribution from the grade book. who- Students what- average when last ...
*Saturday, October 4, 2014 at 8:58am*

**physics**

A 74.0kg person is put on an exercise program by a physical therapist, the goal being to burn up 550 food calories in each daily session. Recall that human muscles are about 21.0% in converting the energy they use up into mechanical energy. The exercise program consists of a ...
*Saturday, October 4, 2014 at 5:06am*

**physics**

A stunt car driver drives off an h = 6.7 m-high cliff into a lake with a horizontal speed of 14 m/s. The car needs to clear an 8.0 m-long ledge that is 5.0 m below the edge of the cliff. The car successfully misses the ledge on the way down. With what speed does the car hit ...
*Friday, October 3, 2014 at 10:11pm*

**Physics**

A 36-kg girl is bouncing on a trampoline. During a certain interval after she leaves the surface of the trampoline, her kinetic energy decreases to 185 J from 460 J. How high does she rise during this interval? Neglect air resistance.
*Friday, October 3, 2014 at 2:26pm*

**Math**

Mrs. Govin is making cakes for the school bake sale. She needs 2 cups of sugar for every cake she makes. Is the number of cakes Mrs. Govin makes proportional to to the number of cups of sugar?
*Friday, October 3, 2014 at 12:23am*

**Math**

between were erika is standing to the vertical distance from the kite is 75 meters. how high is the kite in meters a.)125 b.)100 c.)25 d.)15 My answer is c am i correct ?
*Thursday, October 2, 2014 at 5:56pm*

**Math**

the scale drawing of a billboard is 21ft wide and 10.5ft high, what is its scale?
*Thursday, October 2, 2014 at 4:53pm*

**ph**

A gymnast is swinging on a high bar. The distance between his waist and the bar is 1.15 m, as the drawing shows. At the top of the swing his speed is momentarily zero. Ignoring friction and treating the gymnast as if all of his mass is located at his waist, find his speed at ...
*Thursday, October 2, 2014 at 2:54am*

**Physics Help Please!!!!**

1) A high-speed maglev train is traveling with a changing velocity. what can be said about the forces acting on the train? 2) An automated vehicle in a warehouse is traveling at a constant velocity. what can be said about the forces acting on the vehicle?
*Wednesday, October 1, 2014 at 10:03pm*

**Health--check my answers**

1. A percentile rank represents the percentage of people who scored at or below the test score. True False 2. People who have high resting heart rates usually have high levels of cardiovascular fitness. True False 3. Resting heart rate is usually measured when you awake, ...
*Wednesday, October 1, 2014 at 9:29pm*

**Physics**

Compressed air is used to fire a 50g ball vertically upward from a 0.60-m-tall tube. The air exerts an upward force of 3.0N on the ball as long as it is in the tube. How high does the ball go above the top of the tube?
*Wednesday, October 1, 2014 at 9:20pm*

**E.L.A. PLEASE CHECK!**

Which choice is a sentence fragment? A- Anne looked forward to the trail ride. B- Her horse and gear were all ready to go. C- It poured rain on the morning of the ride, the bad weather continued. D- Canceling the ride due to the bad weather. My choice is D. Which choice is a ...
*Wednesday, October 1, 2014 at 6:34pm*

**geometry**

a school playground is the shape of a rectangle 500 ft long and 100 ft wide. If fencing costs $16 per yard, what would it cost to place fencing around the playground
*Wednesday, October 1, 2014 at 1:29pm*

**math**

students of class XI of a school were motivated to apply for NCC. from each section equal number of students opted for NCC. if there are 3x + 11 sections of class XI and total number of students in all the sections is represented by 6x^3+13x^2+6x+158, then find the number of ...
*Wednesday, October 1, 2014 at 11:08am*

**Physics**

A Volkswagen runs straight off a cliff. The Volkswagen is traveling at a speed of 39.0 m/s when it leaves the road. If the cliff is 16.0 m high, how far horizontally does the car travel before it smashes into the ground below?
*Wednesday, October 1, 2014 at 2:27am*

**math models**

The Sears Tower in Chicago is 1454 feet high. Sketch and find the angle of elevation from a point 750 feet from the base to the top of the tower. Relate your answer to the nearest tenth. a. 62.7º b. 27.3º c. 31.1º d. 58.9º
*Tuesday, September 30, 2014 at 4:37pm*

**world civ.**

The standard of living for Anglo-Americans is: low medium average high
*Tuesday, September 30, 2014 at 1:58pm*

**math**

The greatest recorded temperature ranges in the world are around the "cold pole" in Siberia. Temperatures in Verkhoyansk have varied from -94 degrees Fahrenheit to 98 degrees Fahrenheit. What is the difference between the high and low temperatures in Verkhoyansk?
*Monday, September 29, 2014 at 11:41pm*

**History**

Britain’s Factory Act of 1833: A. reduced the number of women working in factories. B. reduced the number of children working in factories. C. established an eight hour work day for all workers. D. placed a high tariff on imports in order to increase the profits of ...
*Monday, September 29, 2014 at 10:06pm*

**fnjsal**

How many people watch anime in meh school
*Monday, September 29, 2014 at 7:45pm*

**math**

write a ratio in 3 ways, comparing the first quantity to the second. A week has 5 school days and 2 weekends. Second question about 1 in 4 people swims at least 6 times each year.
*Monday, September 29, 2014 at 7:37pm*

**history**

For this paragraph: The kings of Spain, Santiago bishops and nobility paid high taxes and they made large donations of palaces, monasteries and lands a powerful Cluniac order enjoying a true religious and economic monopoly in Spain We have to explain what this quote means &...
*Monday, September 29, 2014 at 10:13am*

**Physics**

joel is running down the newly waxed school corridor and tries to slide across the floor in this rubber shoes. The thick 1.5-cm thick rubber soles each have a cross-sectional area of 0.015m^2 and are sheared with a force of 10,000 N
*Monday, September 29, 2014 at 5:48am*

**physics**

A 42 kg girl is bouncing on a trampoline. During a certain interval after she leaves the surface of the trampoline, her kinetic energy decreases to 250 J from 520 J. How high does she rise during this interval?
*Monday, September 29, 2014 at 1:00am*

**Organic**

Which layer is likely to be on the bottom in each case? a. Sodium chloride layer or a layer containing a high-density organic compound dissolved in methylene chloride (d 1.4 g/mL) b. Sodium chloride layer or a layer containing a low-density organic compound dissolved in ...
*Monday, September 29, 2014 at 12:47am*

**math**

out of 32 students in a class, 5 said they rode their bikes to school. Based on these results, how many of the 800 students ride their bikes to school?
*Sunday, September 28, 2014 at 11:15pm*

**Heath help Plz--5 questions**

1. A percentile rank represents the percentage of people who scored at or below the test score. True** False 2. People who have high resting heart rates usually have high levels of cardiovascular fitness. True ** False 3. Resting heart rate is usually measured when you awake, ...
*Sunday, September 28, 2014 at 8:16pm*

**physics**

A robot probe drops a camera off the rim of a 457 m high cliff on Mars, where the free-fall acceleration is 3.7 m/s2. find the time required for the camera to reach the ground. answer in units of s. i dont know if my equation is right: * tfinal= (vinitial + g)(vfinal)
*Sunday, September 28, 2014 at 4:48pm*

**Physics**

A robot probe drops a camera off the rim of a 429 m high cliff on Mars, where the free-fall acceleration is 3.7 m/s2. What equation will be appropriate to find velocity?
*Sunday, September 28, 2014 at 2:59pm*

**High school algebra**

A scouting report states that Ben throws a ball 88 mph. Determine how fast Ben throws in feet per second
*Sunday, September 28, 2014 at 2:13pm*

**physical**

A robot probe drops a camera off the rim of a 230 m high eliff on Mars where the free fall acceleration is 3.7 m/s^2. Find the velocity with which it hits the ground.
*Sunday, September 28, 2014 at 1:11pm*

**Health Help?**

1. A percentile rank represents the percentage of people who scored at or below the test score. True False 2. People who have high resting heart rates usually have high levels of cardiovascular fitness. True False 3. Resting heart rate is usually measured when you awake, ...
*Saturday, September 27, 2014 at 11:07pm*

**physics**

Student wants to jump from their 3rd floor apartment window to the swimming pool below. The base of the apartment is 8.00 meters from the pool’s edge. If the window is 20.0 meters high, how fast does the student have to be running horizontally to make sure they make it to...
*Saturday, September 27, 2014 at 10:40pm*

**business**

Wellington’s Funds Flow Statement (Statement of Cash Flows) Sources Earnings after taxes $ 80 Depreciation 84 Decrease in accounts receivable 42 Increase in accounts payable 13 Increase in notes payable 196 Increase in accruals 22 Increase in long-term debt 7 . Total ...
*Saturday, September 27, 2014 at 9:25pm*

**Accounting Please help me**

Bethany Link delivers parts for several local auto parts stores. She charges clients $0.75 per mile driven. She has determined that if she drives 2,100 miles in a month, her average operating cost is $0.55 per mile. If Bethany drives 4,200 miles in a month, her average ...
*Saturday, September 27, 2014 at 9:05pm*

**Business**

What happens to companies with high operating leverage when the market declines? What happens when the market expands?
*Saturday, September 27, 2014 at 7:36pm*

**math**

I'm working on a school math project, and i need to make my own 2 plans, i know that you can split all 17.5 ct diamonds so that each pirate would get 4.375 ct diamonds but i want to know how i would split them up, like into to 1/2 s or 1/4 and i need another plan please ...
*Saturday, September 27, 2014 at 5:53pm*

**Finance**

1. What happens to companies with high operating leverage when the market declines? What happens when the market expands?
*Saturday, September 27, 2014 at 3:36pm*

**statistics**

According to U.S. News & World Report data, in 1995 tuition costs at Indiana University, a public university, were $2,984 per year, while the tuition costs at the University of Evansville, a private university in Indiana, were $11,800 per year. In that same year the average ...
*Saturday, September 27, 2014 at 12:57pm*

**physics**

A rocket moves upward, starting from rest with an acceleration of 25.0 m/s2 for 3.77 s. It runs out of fuel at the end of the 3.77 s but does not stop. How high does it rise above the ground I`ve been sick last week, not quite sure where to even start can you give me a formula...
*Friday, September 26, 2014 at 11:55pm*

**Accounting 5**

Bethany Link delivers parts for several local auto parts stores. She charges clients $0.75 per mile driven. She has determined that if she drives 2,100 miles in a month, her average operating cost is $0.55 per mile. If Bethany drives 4,200 miles in a month, her average ...
*Friday, September 26, 2014 at 11:11pm*

**Physics**

A rock is dropped from a bridge to the water below. It takes 2.40 s for the rock to hit the water. Find the speed (in m/s) of the rock as it hits the water. How high (in metres) is the bridge above the water?
*Friday, September 26, 2014 at 4:33pm*

**Science**

I have two questions for 7th grade Science. I've been sitting here for a while, and I am behind in school work. Please Help. _____ is the practical use of scientific knowledge to solve everyday problems and improve lives ____ are used to make complicated concepts and ...
*Friday, September 26, 2014 at 2:30pm*

**word processing**

Which sentence uses a comma correctly? A. She wanted to be an astronaut, after finishing school. B. Thank you for returning my call, Mary. C. He would like to order the steak, and fries. D. Jim grabbed a bottle of ketchup, to go with his fries.
*Friday, September 26, 2014 at 1:53pm*

**physics**

A power line 10 meter high carries a current 200 amperes .Find the magnetic field of the wire at ground?
*Friday, September 26, 2014 at 8:50am*

**physics**

A robot probe drops a camera off the rim of a 387 m high cliff on Mars, where the free-fall acceleration is 3.7 m/s2 . Find the velocity with which it hits the ground. Answer in units of m/s
*Friday, September 26, 2014 at 12:49am*

**Physics**

4. A ball is kicked toward a fence from a point 32 meters away. The velocity of the ball as it leaves the kicker’s foot is 24 m/s at an angle of 37 degrees above the horizontal. The top of the fence is 2.0 meters high. Assuming air resistance to be negligible…(1 ...
*Thursday, September 25, 2014 at 11:44pm*

**Algebra**

In a sports poll, 53% of those surveyed believe their high school football team will win the state championship. The poll shows a margin of error of +-5 percentage points. Write and solve an absolute value inequality to find the least and the greatest percent of people that ...
*Thursday, September 25, 2014 at 7:47pm*

**Physics **

Air rushing over the wings of high-performance race cars generates unwanted horizontal air resistance but also causes a vertical downforce, which helps the cars hug the track more securely. The coefficient of static friction between the track and the tires of a 650-kg race car...
*Thursday, September 25, 2014 at 5:54pm*

**statistics**

In a school election, 5 people run for student body president. The actual number of votes for each candidate would be a ___ variable. If the total number of votes were removed and the candidates were listed in order of least to most popular, this would be a __ variable. a. ...
*Thursday, September 25, 2014 at 5:53pm*

**HISTORY 2 **

6. which of the following does NOT describe women's work in early Georgia A. Planting and tending a home garden B. Working at the local hospital C. Making clothes for the family D. Taking care of the children** 7. which of the following groups of new settlers in Georgia ...
*Thursday, September 25, 2014 at 3:48pm*

**statistics**

In a school election, 5 people run for student body president. The actual number of votes for each candidate would be a ___ variable. If the total number of votes were removed and the candidates were listed in order of least to most popular, this would be a __ variable. a. ...
*Thursday, September 25, 2014 at 10:40am*

**G.G.Hr.sec.school**

a person starts writing all 4 digit numbers .how many times had he written the digit 2
*Thursday, September 25, 2014 at 2:49am*

**English**

fragments or run on sentences He's going to law school. To be an attorney like his mother Fragment She was the worst student in her class. Because she got all the lowest grades. Run on senence
*Wednesday, September 24, 2014 at 11:02pm*

**Math**

My answers will be posted 2! 1. Dimensions of the cube is 5x3x1 a. What is the surface area? ( i said 46ft squared ) b. What is the # of cubes? ( I said 15 ) 2. Dimensions are 5x3x2 a. Surface area? ( 62ft squared ) b. # of cubes? ( 30 ) 3. Dimensions are 5x3x5 a. Surface area...
*Wednesday, September 24, 2014 at 8:35pm*

**math**

For every girl taking classes at a Martin martial arts school there are 3 boys who are taking classes at the school. If there a 236 students taking the classes write and solve a proportion to predict the number of boys taking classes at the school?
*Wednesday, September 24, 2014 at 5:39pm*

**Physics - Force**

A high-speed maglev train is traveling with a changing velocity. what can be said about the forces acting on the train? Thanks!
*Wednesday, September 24, 2014 at 5:10pm*

**Physics of Modern Technology**

1) In a conventional explosion, when each molecule of high explosive chemically reacts, it produces about 4 x 10-18 J (joules) of energy. If each molecule of high explosive weighs as much as a single uranium 235 atom, and each uranium atom releases about 4 x 10-11 J in a ...
*Wednesday, September 24, 2014 at 4:08pm*

**D.L.Perez elem. School**

Two different 6-digit numbers each have three 8's and three 7's.No two digits next to each other are the same.write the numbers in standard form.
*Wednesday, September 24, 2014 at 2:14pm*

**Physics of Modern Technology**

1) In a conventional explosion, when each molecule of high explosive chemically reacts, it produces about 4 x 10-18 J (joules) of energy. If each molecule of high explosive weighs as much as a single uranium 235 atom, and each uranium atom releases about 4 x 10-11 J in a ...
*Wednesday, September 24, 2014 at 2:18am*

**Chem Check Please!**

What type(s) of chromatography is/are most appropriate for solids? Explain ----Liquid-Solid Chromatography ----Thin-Layer Chromatograph What type(s) of chromatography is/are most appropriate for liquids? Explain ----High performance liquid chromatograpy Thanks!
*Wednesday, September 24, 2014 at 12:08am*

**english**

how do u write an outline over someone you admire like for instant my cousin who helped me in band, athletics and school work??
*Tuesday, September 23, 2014 at 10:28pm*

**Calculus**

A sinusoidal section is to be built as part of a roller coaster track. The high point is h=27 m at a horizontal distance d=0 m. It has a low point at h=-3 m at d=50 m. a. Write an equation expressing h in terms of d. b. The lengths of the horizontal timbers used to build the ...
*Tuesday, September 23, 2014 at 7:42pm*

**Fractions (not decimals)**

Eleanor and Max used two rectangular wooden boards to make a set for the school play. One board was 6 feet long, and the other was 5 1/2 feet long. The two boards had equal widths. The total area of the set was 60 3/8 square feet. What was the width? THANK YOU!
*Tuesday, September 23, 2014 at 7:40pm*

**Fractions**

Eleanor and Max used two rectangular wooden boards to make a set for the school play. One board was 6 feet long, and the other was 5 1/2 feet long. The two boards had equal widths. The total area of the set was 60 3/8 square feet. What was the width?
*Tuesday, September 23, 2014 at 7:26pm*

**math**

The school cafeteria serves pizza every 6th day and applesauce every day Thursday supposed to pizza and applesauce are both on today's menu in how many days will they be together on the menu again?
*Tuesday, September 23, 2014 at 5:53pm*

**Grammar**

1. Choose the answer that identifies the form of the verb in the sentence. Cindy is painting her room purple. present present participle past past participle Question 2. Choose the answer that identifies the tense of the verb in the sentence. Has the rain stopped yet? past ...
*Tuesday, September 23, 2014 at 1:29pm*

**sociology**

Which statement best reflects the argument that prayer in school should be protected? (Points : 1) Prayer is protected by the second amendment. Prayer contributes to virtuous ideals in the student body. Prayer is different across cultures and as such should take place outside...
*Tuesday, September 23, 2014 at 12:15pm*

**physics**

From a 5 metre high smooth hill a 6 kg block slides down and stops somewhere on the horizontal ground. Effect of turning part is negligible. Find the work done while the block is pulled back from this position to the top of the hill.
*Tuesday, September 23, 2014 at 4:46am*

**Physics**

An object is thrown upward from the top of a 10.0m high building at a speed of 10.0m/s. How fast is the object moving when it reaches the bottom of the building? The answer is 17.2 m/s but how?
*Monday, September 22, 2014 at 11:29pm*

**physics**

Your opponent, in a desperate attempt to return your wicked serve, makes a high lob of the tennis ball that causes it to land out of bounds on the asphalt course behind you. It then bounces so that it just barely clears a 3.90 m wall that is 2.32 m from where the ball hit the ...
*Monday, September 22, 2014 at 11:22pm*

**Math**

A stack of 33 CDs is 1.5 inches high. How many CDs would be in a stack that is 3.5 inches high?
*Monday, September 22, 2014 at 8:34pm*

**High School Chemistry**

Determine the number of valence electron and the oxidation numbers for each of the following atoms. 1. Pb atomic #82 #valence e-'s= oxidation# =
*Monday, September 22, 2014 at 5:44pm*

**Community service**

Do you need to have hours to graduate high school?
*Monday, September 22, 2014 at 5:20pm*

**CHECK PLEASE**

Please check my answers...the ones with ----then a answer choice (is my answer) 1. Find the best word to complete the sentence. My brother clung ___ to his belief that Alfred Hitchcock was the greatest film director of all time. (Points : 1) coherently ineptly -------...
*Monday, September 22, 2014 at 11:41am*

**algebra**

In a high school basketball game, a player on the home team makes two free throws. One student asks the student next to her what he thinks the probability of hitting two free throws in a row is. The student replies, "The probability of him making a free throw is probably ...
*Monday, September 22, 2014 at 11:17am*

**mshadza high school**

2. A box that weighs 10.0 N is being dragged with constant velocity along a horizontal surface of the table by a rope that is at an angle ¥á of 45¨¬ with that surface. The tension in the rope is 5.0 N. What is the coefficient of friction?
*Monday, September 22, 2014 at 11:14am*

**English**

What are you going to do after school? 1. I am going to go to academy. 2. I am going to go to an academy. 3. I am going to go to the academy. 4. I am going to go to my academy. 5. I am going to go to private institute. 6. I am going to go to a private institute. 7. I am going...
*Monday, September 22, 2014 at 9:37am*

**Stats**

A trader is designing his investment portfolio. He has prepared a list of potential customers in which to purchase stock. These include 5 companies in Ag, 6 in manufacturing, and 9 in high-tech industry. The trader is going to print this list of companies. If the trader plans ...
*Monday, September 22, 2014 at 9:36am*

**physics**

A football is thrown with an initial upward velocity component of 15.0m/s and a horizontal velocity component of 17.0m/s . a:How much time is required for the football to reach the highest point in its trajectory? b:How high does it get above the ground? c:How much time after ...
*Monday, September 22, 2014 at 12:49am*

**Math**

A ball is thrown up at the edge of a 550 foot cliff. The ball is thrown up with an initial velocity of 87 feet per second. Its height measured in feet is given in terms of time t, measured in seconds by the equation h = -16 t^2 + 87 t + 550 a. How high will the ball go and how...
*Monday, September 22, 2014 at 12:41am*

**math**

350 student in the school, 3 boys for every 2 girls how boys are there?
*Sunday, September 21, 2014 at 9:55pm*

**College Physics**

A Balloon carrying a basket is descending at a constant velocity of 20.0 m/s. A person in the basket throws a stone with an initial velocity of 15.0 m/s horizontally perpendicular to the path of descending balloon and 4.00 (s) later this person sees the stone strike the ground...
*Sunday, September 21, 2014 at 8:45pm*

**Physics**

A Balloon carrying a basket is descending at a constant velocity of 20.0 m/s. A person in the basket throws a stone with an initial velocity of 15.0 m/s horizontally perpendicular to the path of descending balloon and 4.00 (s) later this person sees the stone strike the ground...
*Sunday, September 21, 2014 at 7:42pm*

**physics**

"A projectile is fired horizontally at 14.9 m/s from the edge of a 7.05-m-high cliff and strikes the ground. Find the horizontal distance the projectile traveled." I have no work cause I have no idea how to do this...
*Sunday, September 21, 2014 at 7:30pm*

**physics**

A soccer ball is kicked horizontally from the edge of a 125 m high cliff with an initial speed of 15 m/s. At what horizontal distance does the ball land?
*Sunday, September 21, 2014 at 5:49pm*

**Math**

The school has 20 rooms. An average of 27 students from each room went to the barbeque. What was the total number of students at the barbeque?
*Sunday, September 21, 2014 at 3:33pm*

**math**

I need help writing an equation for this problem: for the school barbeque, room 107 bought 50 pounds of hot dogs for $69.50. How much did the hot dogs cost per pound?
*Sunday, September 21, 2014 at 3:05pm*

**Fluid Mechanics**

A cylinder with internal diameter of 5cm and 15 cm high is filled up with an unknown substance. The mass of the cylinder is 4.6 kg which is 300% of the unknown substance mass. Determine the density and the specific gravity of the unknown substance.
*Sunday, September 21, 2014 at 7:13am*

**physics**

During a baseball game, a batter hits a high pop-up. If the ball remains in the air for 4.59 s, how high does it rise? The acceleration of gravity is 9.8 m/s2 .
*Saturday, September 20, 2014 at 10:08pm*

**physics**

A ball is thrown upward at a speed v0 at an angle of 59.0¢ª above the horizontal. It reaches a maximum height of 7.5 m. How high would this ball go if it were thrown straight upward at speed v0?
*Saturday, September 20, 2014 at 8:43pm*

**Math **

During one year in a school, 5/8 of the students had measles, 1/2 had chicken pox and 1/8 had niether. What fraction of the school had both measles and chicken pox
*Saturday, September 20, 2014 at 5:14am*

**English**

1. How many rowers are there on a team? 2. How many rowers are there in a team? 3. I'm actually on the school badminton team. 4. I'm actually in the school badminton team. (Which preposition do we have to use?) 5. Everyone is doing very well. 6. Everyone is going ...
*Saturday, September 20, 2014 at 2:58am*

**Calculus**

To estimate the height of a building, a stone is dropped from the top of the building into a pool of water at ground level. How high is the building if the splash is seen 6.7 seconds after the stone is dropped? Use the position function for free-falling objects given below. (...
*Friday, September 19, 2014 at 8:42pm*

**econ 2110**

Suppose that we want to test whether the mean selling price of houses with is the same as the mean selling price of houses without a garage. We collect two samples and obtain the following information: Houses with garage Sample size: 71 Mean selling price (in thousands of ...
*Friday, September 19, 2014 at 7:02pm*

**physics**

A third baseman makes a throw to first base 39.8 m away. The ball leaves his hand with a speed of 43.0 m/s at a height of 1.4 m from the ground and making an angle of 23.7 o with the horizontal. How high will the ball be when it gets to first base?
*Friday, September 19, 2014 at 5:47pm*