Tuesday

December 6, 2016
**science check **

The lake water in a location in Florida has been found to contain high levels of fecal coliform. What are people in the location most likely to do? breed fish in the lake stop swimming in the lake reduce their water consumption install water filtering equipments in their ...

*Tuesday, April 12, 2016 by Oscar*

**Algebra 1**

A firework is launched from a cliff overlooking the ocean. The elevation of the firework shell, in feet above sea level, t seconds after launch is given by the expression -16t^2+157t+63. How high is the top of the cliff, in feet above sea level. We just started and my teacher ...

*Tuesday, April 12, 2016 by Zack*

**Mathematics **

1. Which of the following is the correct definition of minerals? (1 point) a naturally occurring, inorganic solid that has a crystal shape and a definite chemical composition a naturally occurring, inorganic solid that forms through crystallization of melted materials•&#...

*Tuesday, April 12, 2016 by Queen/Halle *

**Physics**

A spring loaded ballistic pendulum gun requires an increasing force to load. When loading a ball of mass 0.054 kg, the spring is compressed 7.00 cm, the gun is fully loaded, and the force required is 70.0 N. a) Calculate the work required to load the gun. b) Calculate the ...

*Tuesday, April 12, 2016 by Emily*

**math mrs sue please help or any one**

I'm in connections and this is a quiz the value of the dependent variable in a function is always blank the value o the independent variable a greater than b dependent on c equal to d less than a science class planted a tree in the school court yard that was 6 inches tall...

*Tuesday, April 12, 2016 by josiah*

**Algebra**

An arrow is shot vertically upward from a platform 48 ft high at a rate of 233 ft per sec. When will the arrow hit the ground? Use the formula: h = −16t2 + v0t + h0.

*Tuesday, April 12, 2016 by diane*

**Algebra**

I do not understand this homework at all. Any help or elaboration would be greatly appreciated. Thanks. 100 juniors at Southwest High took the SAT test. The scores were distributed normally with a mean of 22 and a standard deviation of 3. Label the mean and three standard ...

*Tuesday, April 12, 2016 by Kesha*

**Physics**

How high would you have to lift a 0.294N mouse to do the same amount of work that you would do if you lift a 6.87 kN elephant 1.00cm?

*Monday, April 11, 2016 by Chad*

**Chemistry**

You have a tank of wine that needs a 20 ppm addition of SO2. Answer the following questions. 1. To make 5 gallons of a 6% w/v SO2 solution (expressed as SO2) how much K2S2O5 (222 g/mol) should be weighed out? 2. How much of this solution (in mLs) should be added to the tank (...

*Monday, April 11, 2016 by Sasha*

**yakima community college**

If a certain city had a record low for the year of -30 degrees Celsius, and a record high of 38 degrees Celsius, find the temperatures in degrees Fahrenheit.

*Monday, April 11, 2016 by Anonymous*

**Word problem middle school**

Kirk loves furbies. He has 68 curviest, each of which cost 50 percent more than the last, owing to scarcity. If his first furby cost $4, how much did his first 3 cost all together?

*Monday, April 11, 2016 by Laniqua*

**science pls pls pls help me**

The lake water in a location in Florida had an unusual color and smell. Investigations revealed that the lake? water contained high levels of toxic fertilizers and pesticides which were carried into the lake from gardens and common areas in the location. What are people in the...

*Monday, April 11, 2016 by Oscar*

**art help please**

I'm trying to make a cigar box guitar for a school project, but I can't figure out what I should do for DIY tuning pegs (you can't use pre-made parts except for the strings)

*Monday, April 11, 2016 by anonymous*

**Language arts unit 3 lesson 5 second read**

If you have answers to 1-5 that would be great. 1. In act 1, scene 5, Scrooge sees himself as a child at school. What is revealed about his childhood in this scene? 2. In act one scene two Scrooge's nephew stops by to wish Scrooge a Merry Christmas and to invite him to ...

*Monday, April 11, 2016 by Abd*

**history**

Which of the following is true regarding deaf and blind children in the 1800s? a.)Deaf and blind children were required to live in group homes or institutions. b.) Deaf and blind children were sent to orphanages once they reached age five. c.)Deaf and blind children were not ...

*Monday, April 11, 2016 by jai*

**math**

The student to teacher ratio is 19:1 at a local school and there is a total of 500 students and teachers. How many teachers and how many students are there. I'm not sure how to begin to set this up since I have two unknowns and not only one.

*Monday, April 11, 2016 by Julie*

**calculus**

Use a(t) = -32 ft/sec2 as the acceleration due to gravity. (Neglect air resistance.) A ball is thrown vertically upward from a height of 4 feet with an initial velocity of 79 feet per second. How high will the ball go? (Round your answer to two decimal places.)

*Monday, April 11, 2016 by Sam*

**Physics**

An egg is thrown from the top edge of a 22.9 m high building down onto an unsuspecting person standing on the ground 6.2 m from the base of the building. If the egg is tossed horizontally, at what speed, in m/s, must the egg be thrown such that it lands on the person?

*Monday, April 11, 2016 by Bira*

**Physics**

A flying squid (family Ommastrephidae) is able to "jump" off the surface of the sea by taking water into its body cavity and then ejecting the water vertically downward. A 0.80 kg squid is able to eject 0.32 kg of water with a speed of 20 m/s. (a) What will be the ...

*Sunday, April 10, 2016 by xxxxxxx*

**Math :) **

Since the purpose of an ice cube is to keep a drink cold, is it better for an ice cube to have a high volume or a low volume? I thought that the higher the volume, the longer the amount of time the ice cube does NOT melt. Which one is best? Thank you. :)

*Sunday, April 10, 2016 by Mariana W. *

**maths**

A tower 7 metres high stands on top of building which is 9 metres high. An observer at the bottom of the building notices that, as she walks away from the building, the angle theta which the tower subtends at her eyes seems to increase in size for a certain distance and then ...

*Sunday, April 10, 2016 by haro*

**math**

a tower 7 metres high stands on top of building which is 9 metres high. An observer at the bottom of the building notices that, as she walks away from the building, the angle theta which the tower subtends at her eyes seems to increase in size for a certain distance and then ...

*Sunday, April 10, 2016 by haro*

**Physics**

A ball is thrown from the ground toward a cliff of height h with a speed of 30.0 m/s and an angle of 60o above horizontal. It lands on the cliff 4.00 s later. How high is the cliff? Answer: 25.5 m But having difficulty getting this answer

*Sunday, April 10, 2016 by Sarah*

**math**

in a school with 1500 students , one student returned from vacation with a contagious flu virus on 1st January. the spread of the virus through student body is given by y=1500/1+1499e^-0.85t where y is the total number of students infected after t days. the school would cancel...

*Sunday, April 10, 2016 by holy*

**Math**

Katherine spends 7 h a day in school. This includes a 30 min lunch break each day. a) Write a ratio that compares the time for her lunch break with the total time she spends at school each day. b) Write a ratio that compares the time for her lunch breaks for a week with the ...

*Sunday, April 10, 2016 by O*

**math**

A school library had 1050 books last year. There are only 950 books in the library this year. What is the percentage decrease in the number of books? Round your answer to 2 decimal places.

*Sunday, April 10, 2016 by Saba*

**math**

There were 60 basketball players in the school team last year. This number of basketball players increases to 80. What is the percentage in the number of basketball players?

*Sunday, April 10, 2016 by Saba*

**physics**

A golf ball is hit at a velocity of 30 m/s at an angle of 40˚ from the ground. a.) How high will the golf ball rise? b.) How long will it take for it to hit the ground? c.) How far will it go?

*Sunday, April 10, 2016 by suzie*

**Algebra**

In how many ways can 8 new teachers be assigned to 14 classes at a school, if each must be in a different class?

*Saturday, April 9, 2016 by Veronique*

**Genetics Help!!!!**

1 ) When the kinase ATM is activated after DNA damage occurs in the cell a. it can directly phosphorylate p53, which is then stabilized b. it can directly phosphorylate p53, which is then targeted for degradation by MDM2 c. it can phosphorylate the p53 gene, leading to an ...

*Saturday, April 9, 2016 by Kimberly*

**math**

How many cubic feet are there in a room 20' long × 12' wide, with a ceiling 8' high

*Friday, April 8, 2016 by jeremy*

**Elementary education **

A napkin ring is being made of cast silver. It has the shape of a cylinder 1.25 inches high, with a cylindrical hole 2 inch in diameter and a thickness of 1/16 inch. How many ounces of silver are needed? [silver weighs 6 ounces per cubic inch]

*Friday, April 8, 2016 by Ashley *

**Math **

An ice cream cone is 5 inches high and has an opening 3 inches in diameter. It is filled with ice cream and then given a spherical top. How much ice cream is there? The top part is 1/2 of a sphere.

*Friday, April 8, 2016 by Ashley *

**Math Help!!!**

15. A survey about the student government program at a school finds the following results: 110 students like the program. 120 students think the program is unnecessary. 210 students plan on running for student government next year. If a circle graph were made from this data, ...

*Friday, April 8, 2016 by Nausicca*

**Physics **

An object is thrown directly up (positive direction) with a velocity (vo) of 20.0 m/s and do= 0. How high does it rise (v = 0 cm/s at top of rise). Remember, acceleration is -9.80 m/s2.

*Friday, April 8, 2016 by emanuel*

**pre ap math **

a toy rocket is launched from a platform that is 48 feet high. the rockets height above the ground is modeled by h=-16t^2+32t+43. find the maximum height of the rocket find the time it will take for the rocket to reach the ground.

*Thursday, April 7, 2016 by kenia *

**pre ap math **

a toy rocket is launched from a platform that is 48 feet high. the rockets height above the ground is modeled by h=-16t^2+32t+43.

*Thursday, April 7, 2016 by kenia *

**math**

a company is designing a juice box. the box is in the shape of a rectangular prism. the base of the box is 8 1/2 inches by 4 1/2 inches, and the box is 4 inches high. if the juice fills 80% of the boxes volume, find the volume of juice in the box.

*Thursday, April 7, 2016 by onel22*

**Algebra II**

A car’s headlight contains a parabolic reflector. A special bulb with two filaments is used to produce the high and low beams. The filament placed at the focus produces the high beam and the filament placed off-focus produces the low beam. The equation of the reflector is...

*Thursday, April 7, 2016 by Sandy East Ward*

**Math-soh cah toa**

A bridge is 140m long.From the ends of the bridge, the angles of depression of a point on the river under the bridge is 41° and 48°. How high is the bridge above the river to the nearest meter. ( I know the answer is 68m, I just need to know how to get that, please ...

*Thursday, April 7, 2016 by Kennedy*

**calculus**

Use a(t) = -32 ft/sec2 as the acceleration due to gravity. (Neglect air resistance.) A ball is thrown vertically upward from a height of 4 feet with an initial velocity of 79 feet per second. How high will the ball go? (Round your answer to two decimal places.)

*Thursday, April 7, 2016 by Sam*

**calculus**

Use a(t) = -32 ft/sec2 as the acceleration due to gravity. (Neglect air resistance.) A ball is thrown vertically upward from a height of 4 feet with an initial velocity of 79 feet per second. How high will the ball go? (Round your answer to two decimal places.)

*Thursday, April 7, 2016 by Sam*

**Math**

A mural on the school wall has an area of 4800 square inches. If the length of the mural is 1 1/13 times the width, what are the dimensions of the mural?

*Thursday, April 7, 2016 by Evie*

**Science**

Why is a gas able to flow? It's particles have melted and can move around. It's particles have high viscosity and can move around. It's particles have enough energy to move around. It's particles have enough pressure to move around.** not sure of the answer. ...

*Wednesday, April 6, 2016 by Sally*

**Social Studies**

How were the carpetbaggers able to influence freed slaves in the south? A. They gave them land and helped them start farms. B. They took advantage of their inability to read and write. C. They promised them high-paying jobs in the newly elected government. D. They set up ...

*Tuesday, April 5, 2016 by Karl*

**high school chemistry**

You are going to titrate 20 mL of .10M HCL with 0.10M NaOH. What is the pH at the equivalence point. How do I figure out the equivalence point when I have already figured out that the initial pH of the HCL and NaOH are both 1?

*Tuesday, April 5, 2016 by Jerome*

**maths**

two-fifth of the students in a mixed school are boys. if there are 30 girls in the school how many are boys.

*Tuesday, April 5, 2016 by Nita*

**maths**

two-fifth of students in a mixed school are boys if there are 30 girls in the school how many are the boys

*Tuesday, April 5, 2016 by Nita*

**Social Studies **

I only need to get these answers checked please. How were the carpetbaggers able to influence freed slaves in the south? a. They gave them land and helped them start farms b.They took advantage of their inability to read and write. c. They promised them high paying jobs in the...

*Tuesday, April 5, 2016 by BossManJenkins*

**Math**

. If there are 1050 students in a school and the ratio of boys to girls is 9:5, then what is the number of boys in the school?

*Tuesday, April 5, 2016 by Kate*

**math **

Three friends bought school supplies for $12.06. They will split the cost equally. How much does each person have to pay?

*Monday, April 4, 2016 by perla*

**PHYSICS!!**

The human body loses heat at a rate of 120W when sitting quietly at rest. If a 65 kg student takes 100 hours to read War and Peace by Leo Tolstoy, how high could they have been lifted if all the heat energy lost was utilised to lift them against gravity (assuming that the ...

*Monday, April 4, 2016 by Vanessa*

**History **

Which of the following is true regarding deaf and blind children in the 1800s? a.)Deaf and blind children were required to live in group homes or institutions. b.) Deaf and blind children were sent to orphanages once they reached age five. c.)Deaf and blind children were not ...

*Monday, April 4, 2016 by jai*

**Career res & desc**

Can someone please help me with this?!? Stella believes that it is important to be able to stay home with her children when they are sick or have a day off school. For Stella, spending time with her children is: A)An intrinsic career value. B)An extrinsic career value. C)A ...

*Monday, April 4, 2016 by Help*

**History Help!**

1.How did New England's textile industry affect women? -New technologies required men to work far from their wives and families -The jobs in this field were considered "mens work," and women were not hired -The need for unskilled labor provided low-paying factory...

*Monday, April 4, 2016 by John*

**physics **

From the roof of a 64 metres high building a ball was thrown which is of 5kg mass.how long it takes to reach the ground? Please show the process with answer

*Monday, April 4, 2016 by Zarine*

**Math**

Jan is making a pencil holder out of plastic canvas. The pencil holder is 4 inches high. It will not have a top. Each edge of the square base is 3 inches long. How much plastic canvas does Jan need?

*Sunday, April 3, 2016 by Lin*

**Operations with Integers**

On a summer day, the low temperature of 75°F was reached at 6 am. The high temperature was reached 9 hours later, after the temperature rose 16°F. What was the high temperature that day?

*Sunday, April 3, 2016 by Sandy*

**science help PLS **

Which of the following is a sign of poor quality water? Zero turbidity A pH of 7.0 High phosphate content High dissolved oxygen

*Sunday, April 3, 2016 by Oscar*

**science help pls pls**

Which of the following is typically associated with a large amount of organic material in a water supply? Lower turbidity Higher phosphates Fecal coliform High dissolved oxygen is it c pls help

*Sunday, April 3, 2016 by Oscar*

**Springville Middle School **

A cone shaped water bucket will hold 7800 ft3 of water. If the radius of bucket is15ft,what is the height of the water bucket?

*Sunday, April 3, 2016 by Matt Grimes *

**Math**

The school store opened on the first day of scroll with 56 notebook and 24 pencils. Within two days it sold all of these items. On the first day, twice as many notebooks were souls as pencils. On the second day for every 5 notebooks sold, 2 pencils were old. How many notebooks...

*Saturday, April 2, 2016 by Manuel chua*

**Math**

Nathaniel school is selling tickets to a spring Musical on the first day of ticket sales the school so 3 senior citizen tickets and nine children tickets to for a total of $75 the school took in $67 on the school on the second day by 8 senior tickets and 5 child tickets. What...

*Saturday, April 2, 2016 by Naseem*

**Math(PLZ HELP)**

1)Choose an appropriate metric unit for the mass of a paper clip. A. meter B. gram C. kilogram*** D. centimeter 2)Which is likely to have a mass close to 3 kilograms? A. small feather B. five year old cat C. grown elephant D. peach*** 3)which measure correctly completes the ...

*Friday, April 1, 2016 by sparkels_01*

**Math**

An elementary school is offering 3 language classes: one in Spanish, one in French, and one in German. These classes are open to any of the 107 students in the school. There are 42 in the Spanish class, 32 in the French class, and 23 in the German class. There are 14 students ...

*Friday, April 1, 2016 by Yasmine*

**History**

3.)Which of the following best describes the contributions of Horace Mann? A.)Horace Mann helped establish child labor laws that required children to attend school. B.)Horace Mann was the first person to print educational materials in Braille for blind children. C.)Horace Mann...

*Friday, April 1, 2016 by #FreeGucci*

**help my son's math**

Hill crest public school held its annual skating party and 3/4 of the 480 students came.Of the students who came,1/5 brought skates from home. How many students rented skates?

*Thursday, March 31, 2016 by Mark*

**SS**

China's cities are growing rapidly due to A. a high percentage of arable land B. people moving there to look for work C. rural areas becoming too crowded D. the one-child policy I think it is B

*Thursday, March 31, 2016 by Angelica*

**U.S. History (Check, Please!)(REED)**

1. Explain the economic cycle of how the economy can spiral downward or upward. A: The economy can spiral downward or upward very easily. If sales of a product declines, for example, then this loss of demand would mean loss of demand for the materials that were used to make ...

*Thursday, March 31, 2016 by Victoria*

**business**

Adrian Bicycle Company (ABC) has the hottest new products on the upscale toy market for boys’ and girls’ bikes in bright fashion colors, with oversized hubs and axles, shell design safety tires, a strong padded frame,-chrome plaited chains, brackets and valves, and a...

*Thursday, March 31, 2016 by Anonymous*

**Math**

There are 55 student in eight grade middle school that play different sports. 27 of them play soccer, 15 of them play basketball. 11 of them play soccer or basketball. What is the probability given that the they are in eight grade and play sports that they play both soccer and...

*Thursday, March 31, 2016 by Korbin*

**Art**

An artists creates a mural depicting a local celebration of health and fitness for all community members. What would be the best subject choice for this mural? The figures of local sports heroes. The figures of local high school athletes. The figures of local athletic trainers...

*Wednesday, March 30, 2016 by LOVE*

**Physics**

A high-speed sander has a disk 5.70 cm in radius that rotates about its axis at a constant rate of 1120 revolutions per minute. a.) Determine the angular speed of the disk in radians per second. b.) Determine the linear speed of a point 2.40 cm from the disk's center. c.) ...

*Wednesday, March 30, 2016 by Emily*

**physics**

An inquisitive physics student and mountain climber climbs a 50.0m high cliff that overhangs a calm pool of water. He throws two stones vertically downward, 1.00 s apart, and observes that they cause a single splash. The first stone has an initial speed of 2.00 m/s. (a) How ...

*Wednesday, March 30, 2016 by Anonymous*

**Mis sue please save me**

A large school in the UK offers its pupils the opportunity to learn several non-English languages. It turns out that: • 55% of pupils in this school choose to learn French; • of the pupils who learn French, 40% also learn German. (c) Additional information is now ...

*Wednesday, March 30, 2016 by Ugent Please help*

**luthayi high school. science**

How can methanol be harmful to human if accidentically swallowed

*Wednesday, March 30, 2016 by thembelihle sangweni*

**Maths**

A large school in the UK offers its pupils the opportunity to learn several non-English languages. It turns out that: • 55% of pupils in this school choose to learn French; • of the pupils who learn French, 40% also learn German. (c) Additional information is now ...

*Wednesday, March 30, 2016 by Ugent Please help*

**physics**

The froghopper Philaenus spumarius is supposedly the best jumper in the animal kingdom. To start a jump, this insect can accelerate at 4.00 km/s2 over a distance of 2.00 mm as it straightens its specially adapted“jumping legs.” Assume the acceleration is constant. (a...

*Wednesday, March 30, 2016 by Anonymous*

**Biology (High school science)**

If non-nucleated cells of meristematic tissue are used for tissue culture, then growth rate will be : a) High b) Average c) Very low d) Growth may not take place. Please help!

*Wednesday, March 30, 2016 by Shreya*

**Maths**

A large school in the UK offers its pupils the opportunity to learn several non-English languages. It turns out that: • 55% of pupils in this school choose to learn French; • of the pupils who learn French, 40% also learn German. (c) Additional information is now ...

*Wednesday, March 30, 2016 by Jay*

**Math**

In middle school computer club, 3/8 of the members are girls. Of the girls in the club, 2/5 are 6th-graders. Write and solve an equation to find the fraction of the members of the club that are 6th-grade girls.

*Tuesday, March 29, 2016 by Jaden*

**Maths - Statistics**

A large school in the UK offers its pupils the opportunity to learn several non-English languages. It turns out that: • 55% of pupils in this school choose to learn French; • of the pupils who learn French, 40% also learn German. (a) For pupils in this school, let F ...

*Tuesday, March 29, 2016 by Jay*

**Maths**

The ratio of girls to bus in Year 8 at a particular school is 2:5. How many total students are there in Year 8 if there are 26 girls?

*Tuesday, March 29, 2016 by Kylie*

**History **

Which of the following most contribute to Native American health problems? ( 2 points) Few doctors and hospitals operate in rural areas. Native Americans live both in large cities and on reservations. High poverty and unemployment levels are linked to certain diseases. New ...

*Tuesday, March 29, 2016 by Macarena*

**ENGLISH 3 **

In which sentence does the underlined infinitive phrase function as a subject? 1)The commuters were excited to ride on the new high-speed trains. 2)The goal of the new train station is to move more trains from the station to the city. 3)To quickly move large groups of people ...

*Tuesday, March 29, 2016 by AMAND*

**Chemistry**

A sample of calcario and other components of the soil was intensely warm. Under these conditions, the calcario undergoes decomposition in calcium oxide and carbon dioxide. CaCO3 (s)-> CaO (s) + CO2 (g) The analysis of 71, 42 g of a sample of limestone supplied 13 g of ...

*Monday, March 28, 2016 by William*

**statistics **

in 2012 it accepted that 41% or less preferred diesel engine needs a high school statistics student studying a randomly selected group of 51 male found that 23 of them prefer diesel-powered vehicle is that student correct and claiming them that males more prefer diesel powered...

*Monday, March 28, 2016 by kait*

**Spanish**

Once piracy declined, what was the fort at Omoa used for? a. as a private palace b. as a school c. as a prison*** d. as a civic center

*Monday, March 28, 2016 by Kaai97*

**math**

The Washington monument is 555 feet high. If you are standing one quarter of a mile, or 1320 feet, from the base of the monument and looking at the top, find the angle of elevation to the nearest degree.

*Monday, March 28, 2016 by Chris*

**History**

1.)How did New England's textile industry affect women? A.)New technologies required men to work far from their wives & families. B.)The jobs in the this field were considered "men's work<" & women were not hired. C.)The need for unskilled labor provided ...

*Monday, March 28, 2016 by #FreeGucci*

**Social studies**

5.which of the following was a factor in the fall of the roman empire? A. one emperor united the empire B. the roman army weakend (MY ANSWER) C. taxes fell D. price decreased 6.Which of the following contributed to the rise of cities in the High middle ages? Expansion of trade...

*Monday, March 28, 2016 by LOVE*

**Civics - check my answers**

1. Sixth Amendment "In all criminal prosecutions, the accused shall enjoy the right to a speedy and public trial, by an impartial jury of the State and district wherein the crime shall have been committed, . . ." What were the Founding Fathers most likely concerned ...

*Monday, March 28, 2016 by Anonymous JAK*

**statistics**

Data has been collected from a representative of a well-defined population to answer the question: "How much money does the average senior male at Normal Community High School have in his pockets at the end of the school day on Friday?" The next step in the study is ...

*Monday, March 28, 2016 by michelle*

**English**

1. We will go to school by bicycle along the coast road. 2. We will go to school by bicycle along the coastal road. (Do we have to use 'coast' or 'costal"?) 3. He took the bus. 4. He get on the bus. 5. He used the bus. 6. He rode the bus. (Can we use all the ...

*Monday, March 28, 2016 by rfvv*

**Math**

Cynthia is hanging a picture on the wall. The picture is 30 inches wide and 34 inches high and will be hung on a wall that is 10 feet high. The center of the picture must be 6 1/3 feet from the floor. Determine the distance from the ceiling to the top of the picture frame. ...

*Sunday, March 27, 2016 by Jason*

**political science **

What "celebrity" was a Congressional witness who testified with the help of Representative Duncan Hunter before the House Education Appropriations subcommittee in support of funding for school music programs? Question 8 options: Elmo Big Bird George Clooney Kermit ...

*Sunday, March 27, 2016 by ryan *

**Statistics**

A 10 question test is all multiple choice. Each question has four choices. Determine the mean number of questions answered correctly as well as the standard deviation for the number of correct answers if someone were to guess on all ten questions. So far, I have that the ...

*Sunday, March 27, 2016 by Mona*

**Physical science **

ONE SECOND after ball A is projected upwards with a velocity of 16 m/s, a second ball, B, is thrown vertically downwards at a velocity of 9 m/s from a balcony 30 m above the ground. 1.Calculate how high above the ground ball A will be at the instant the two balls pass each other?

*Sunday, March 27, 2016 by Khutso*

**English**

What are the similarities and differences between having 1 vendor and multiple vendors in a school cafeteria.

*Saturday, March 26, 2016 by Anonymous*

**Algebra**

Two High Schools ordered AP Chemistry text book from the same book store. A New Hampshire school has ordered 80 copies, while a Vermont school ordered only 55 copies. The store has 70 books in its warehouses in Massachusetts and 100 books in the other warehouse in New York. ...

*Saturday, March 26, 2016 by Anish Panda*