Thursday
July 28, 2016

Homework Help: High School

Math
a wrench is dropped by a worker at a construction site. four seconds later the worker hears it hit the ground below. How high is the worker above the ground? (The velocity of sound is 1100 ft/s, and the distance the wrench falls as a function of time is s=6t^2
Monday, November 2, 2015 by John

Spalding High School
When a mass of 20 gram is hung on a spring the length of the spring id 16 centimetres. Adding another 10 gram increases the length to 19 centimetres. What is the unstrecthed length of the spring
Monday, November 2, 2015 by Brittney kay Simpson

Phyics
A pool ball leaves a 0.75-meter high table with an initial horizontal velocity of 30 m/s. Predict the time required for the pool ball to fall to the ground.
Monday, November 2, 2015 by Alex

physics
i need help understanding physics. im failing my class and dont want to do anything because i have zero clue where to start. im stuck on this problem currently. a cat pushes a ball from a 7.00 m high window, giving it a horizontal velocity of .20 m/s. how far from the base of ...
Monday, November 2, 2015 by kaleigh

Math
A school is keeping track of the number of tickets remaining for its year-end festival. The table shows the number of sales for the first, second, third, and fourth weeks of the month leading up to the festival. Which graph could represent the data shown in the table? Day | ...
Monday, November 2, 2015 by Mr Shades

Math
A school is keeping track of the number of tickets remaining for its year-end festival. The table shows the number of sales for the first, second, third, and fourth weeks of the month leading up to the festival. Which graph could represent the data shown in the table? Day ...
Monday, November 2, 2015 by Mr Shades

tema senior high school
An open box is to be made using one metre square of cardboard .find the maximum value of the box given that it has a square base
Monday, November 2, 2015 by angela

algebra
roger is 5 feet tall and casts a shadow 3.5 feet longer. at the same time,the flagpole outside his school casts a shadow 14 feet long. write and solve a proportion to find the height of the flagpole.
Sunday, November 1, 2015 by masruja

need help
ESSAY EXAMINATION 1 Objective To successfully complete the course, you must complete Essay Examination 1, which requires you to write your answers to specific questions covering important concepts from your studies. Please provide your answers using a Microsoft Word file. You ...
Sunday, November 1, 2015 by Anonymous

English Language & Composition
I need help on what my body paragraphs could talk about. My intro talks about how surveillance technologies can possibly threat civil liberties. I picked quotes from the sources I had to use that could help me in this essay. What are 3 ideas I can say in each body paragraph ...
Sunday, November 1, 2015 by Diana

Day secondary school kataeregi
The first and last terms of an a.p are 79 and 5 and it's sum is 814 find(a) the number of terms in the a.p(b)the common different between them.(c) the 9th terms is of an a.p is 52, while the 12th terms is 70 find the sum of it's 20th terms.
Sunday, November 1, 2015 by Muhammad haruna ubandawaki

St Joseph high school
Find the height of a triangle whose area is 39000 sq cm and base is 260 cm
Sunday, November 1, 2015 by Rahima rakhangi

school..maikona physics question
a projectile's launch speed is five times its speed at maximum height.find the launch angle?
Sunday, November 1, 2015 by umuro

science
A tower is 24 m high. A stone is projected upwards from the tower, at a velocitry of 24,5 m/s. Calculate how long it would take the stone to reach the ground at the roof of the tower.
Sunday, November 1, 2015 by francis

physics
At the beginning of a new school term, a student moves a box of books by attaching a rope to the box and pulling with a force of F=86.4 N at an angle of 64 degree. The acceleration of gravity is 9.8 m/s^2. The box of books has a mass of 13 kg and the coefficient of kinetic ...
Sunday, November 1, 2015 by luma

us history
1)Which of these was a precedent that George Washington set? a) constitutional amendment process b) formal presidential dinners c) singing of the national anthem d) use of a president cabinet ** _____________________________________ 2)Read the following paraphrase from George ...
Sunday, November 1, 2015 by Ana

HEALTH PLZ ITS OVERDUE
1. The type of family structure that has a biological parent, a stepparent, and the children of one or both parents describes which type of family unit? a.blended family b.extended family c.foster family d.nuclear family 2.some children move from one family to family several ...
Sunday, November 1, 2015 by regan

us history
Lewis and Clark traveled from St. Louis, which is beside the Mississippi River. Which of the following correctly describes the land they saw as they traveled to the Pacific Northwest? A) Flat and low around the Mississippi River, with a sharp and sudden rise to the Rocky ...
Saturday, October 31, 2015 by Ana

AP PHSYICS DUE LATE HOMEWORK HELP!!!
4. Assuming that ball 1 was thrown with an initial velocity of 5 m/s, how far will it land away from the building horizontally? A. 10 M b. 16 M C. 21 M D. 0.63 M 5. A projectile is launched a t 35 m/s at an angle of 33 degrees. Determine (a) the maximum height of the ...
Saturday, October 31, 2015 by Anonymous

physics
4. Assuming that ball 1 was thrown with an initial velocity of 5 m/s, how far will it land away from the building horizontally? A. 10 M b. 16 M C. 21 M D. 0.63 M 5. A projectile is launched a t 35 m/s at an angle of 33 degrees. Determine (a) the maximum height of the ...
Saturday, October 31, 2015 by Anonymous

APA Format
I'm so used to using MLA that I'm struggling with citing in-text using APA. "Metropolitan areas with high concentrations of employment in higher paying occupations also tend to have greater inequality.” (Cunningham, 2015). Does that look right? Do I need to ...
Saturday, October 31, 2015 by mysterychicken

Pretoria Muslim Trust sunni school
Math Litracy,Life sciences,Cat,Business studies. Can I become a psychologist with these subjects
Saturday, October 31, 2015 by Mpho Molokomme

Conway high
The mean of a normal distribution of a set of truck tires is 200 pounds with a tard variation of 10 pounds. What is the probability of a randomly selected set of tires between 200 and 220 pounds?
Friday, October 30, 2015 by Dave145

Physics
A helicopter is flying horizontally at a constant 40 m/s when it drops a package below. Where does it land? 1. About 50 m ahead of the helicopter 2. About 80 m behind the helicopter 3. There is no way to answer without knowing how high the helicopter was above the ground when ...
Friday, October 30, 2015 by Anonymous

Geography
1. Demographers report the population density of a country as a measure of total population relative to land size. TRUE FALSE Answer : true 2. Which of the following is not an example of adequate physiological population density? A. Cities such as Luxor, Cairo, and Alexandria ...
Friday, October 30, 2015 by Geo

suncrest high school
maths give the coordinate for:point A (-3;-2) is reflected in the x-axis
Friday, October 30, 2015 by phumelele

college physics
you are driving home from school at 90 km/h. it then began to rain and you slow to 50km/h. your arrive home after driving 3 hours and 20 minutes, how far is your hometown from school? what is the average speed?
Friday, October 30, 2015 by zain

Siddhartha Higher Secondary School
English what will you do if your parents were unable to send you school
Thursday, October 29, 2015 by swachitta

English/Writing
Following are some brief versions of Aesop's fables. After reading these stories, write what you think the moral is. 1. One day a hungry fox was walking through a vineyard. Hanging on the vines were bunches of delicious looking grapes. Wanting very much to eat these grapes...
Thursday, October 29, 2015 by Victoria

English/Writing
Write brief accounts upon the nursery rhyme from the indicated point of view: "Little Jack Horner" 1. Jack's mother's comments on his sticking his finger in the pie. "Oh, Jack! How could you?! That pie was to be eaten after the Christmas feast!" 2. ...
Thursday, October 29, 2015 by Victoria

Math
Sarah starts at a point 26 miles from school and runs toward school at 6 miles per hour. Ryan starts from school 1.3 hours later and runs towards Sarah at 8 miles per hour. Let x be the number of hours Sarah has been running Write an expression in terms of x for the distance ...
Thursday, October 29, 2015 by Julie

Ave maria catholic secondary school
an aeroplane leaves an airport,flies due north for two hours at 500km/hr.it then flies 450km on a bearing 053.how far is the plane from the airport and what is its bearing from bearing from east
Thursday, October 29, 2015 by Mercy

Pre-Calculus
Use the CALC features of the TI to answer the following. Show what you put into the calculator & what CALC feature you used. Round to the nearest tenths. The equation h = 20 cos (π/4 (t-3)) + 23 tells how high above the ground a ferris wheel car is at any given time. h is...
Thursday, October 29, 2015 by Clarice

English/Writing
Explain the point of view for each of the following: A. Participant 1: teenager Partcipant 2: father Situation: family car on a date A: The teenager is excited to be driving the family car on his date. The father is worried that some damage may come upon the car. B. ...
Thursday, October 29, 2015 by Victoria

Spanish
what is the most likely the reason that Spanish-speaking students in Costa Rica, Mexico, and Argentina all learn a second language in school? a. Spanish is a common language b. Spanish is not understood by many people c. it is important to be able to communicate in more than ...
Thursday, October 29, 2015 by Kaai97

Language Arts
The directions are underline the nouns in the sentence and say if they are common, proper or collective. 1. He gave me a bunch of grapes. -underline the word bunch which is collective 2. London is on the river Thames. -underline London and Thames which are both proper 3. The ...
Thursday, October 29, 2015 by Patrick

math
jonathan purchases calculators for his math club after school. the total cost (t) is $325 for 25 calculators (c). what is the equation that represents this proportional relationship
Wednesday, October 28, 2015 by enmanuel mejia

Math
Sixty girls were scheduled to paint flower pots for the school's annual fair. When 3 of the girls became sick the rest of the girls had to paint 8 more flower pots each how many flower pots did they have to paint altogether ?
Wednesday, October 28, 2015 by Jen

precalc
h = -15 sin (π/7 (t-2)) + 42 h is the height of the ball above the floors in inches at time t seconds 1) what is the highest the ball will ever bounce? 2) when is the first time the ball bounces that high? 3) write a general expression for the times at which the ball is ...
Wednesday, October 28, 2015 by yani

Math
In a high school reunion, the organizers decided to sell 1500 raffle tickets at 1000 each for the four prizes of 250,000 125,000 75,000 50,000 What is the expected value of one ticket? I got -670, is this correct? Thanks!
Wednesday, October 28, 2015 by Jen

Math
If you are 15 how old will you be when you get out of high school?
Wednesday, October 28, 2015 by Aaliyah

chem
How would your experimental formula of magnesium chloride “MgClx” have been affected if your product was not dried completely before weighing it? Would “x” be too high or two low?
Wednesday, October 28, 2015 by charles

Geography
10. Which of the following best describes a nations resistance towards immigration despite having an aging population. A. The Japanese government discourages interracial couples and encourages homogeneity of the population. B. China implemented a one-child policy to reduce a ...
Tuesday, October 27, 2015 by Geog

Math
Trina works after school and on weekends. She always works three days each week. This week she worked 2 3/4 hrs on Monday. 3 3/5 hrs on Friday and 5 1/2 hrs on Saturday. Next week she plans to work the same number of hrs as this week but will work the same number of hrs each ...
Tuesday, October 27, 2015 by Crystal

Physics
A 200 N box is pushed up an incline 10 m long and 3 m high. The average force (parallel to the plane) is 120 N. a.) How much work is done? b.) What is the change in the PE of the box? c.) What is the change in KE of the box? d.) What is the frictional force on the box?
Tuesday, October 27, 2015 by Ana

physics
A boy in a wheelchair (total mass, 46.0kg) wins a race with a skateboarder. He has a speed of 1.33m/s at the crest of a slope 2.24m high and 13.2m long. At the bottom of the slope, his speed is 6.35m/s. If air resistance and rolling resistance can be modeled as a constant ...
Tuesday, October 27, 2015 by Juicy

11 Grade College Prep Math-Based Physics
Not good at physics, so could someone check these practice test questions please? Explanations are appreciated. 1. Which of Newton's Laws says you cannot touch anything without being touched? a) 4th b) 2nd c) 1st d) 3rd *** 2. A 3.00 kg ball is dropped from rest from the ...
Tuesday, October 27, 2015 by Ana

Physics
A 200 N box is pushed up an incline 10 m long and 3 m high. The average force (parallel to the plane) is 120 N. a.) How much work is done? b.) What is the change in the PE of the box? c.) What is the change in KE of the box? d.) What is the frictional force on the box?
Tuesday, October 27, 2015 by Ana

language
Which of the following is a complete sentence? A. When I was young and ambitious and loved going for walks in the park. B. Running through the park and around the school before breakfast. C. Walking with a limp as a result of the wreck. D. I went walking.
Tuesday, October 27, 2015 by alixie

science
a skater with a mass of 65kg,reaches the bottom of a ramp ,2.5 metres high ,going at 27km.h-1. calculate his kinetic energy as he reaches the ramp calculate how fast he is going by the time he reaches the top of the ramp
Tuesday, October 27, 2015 by zinhle

National school
A dilute solution of sulfuric acid is added to 15g of copper and iron mixture. a) write the balanced equation for the occuring reaction. b) the volume of H2 evolved at standard conditions is 4.48L, what is the mass of each of the metals constituting the mixture? Vm=24mol.L-1
Tuesday, October 27, 2015 by Maha

math
the cost in dollars of a school banquet is 74+12n where n is the number of people attending what is the cost for 52 people ? a.$550 b.$698 c.$624 d.$138
Tuesday, October 27, 2015 by mouse

Science
you started to run at 10km/h when you left your house and you arrived at school .5 hours later. assuming that your average acceleration was 30 /h2, how fast were you running when you arrived
Tuesday, October 27, 2015 by Parker

Kennedy
There are 28 classes at an elementary school. The school cafeteria needs 22 cartons of milk per class each day. Milk costs 25 cents per carton. How many cartons of milk does the manager need to order each day?
Monday, October 26, 2015 by Jon

physics
a stone is thrown vertically upward at a speed of 10 m/s from a cliff that is 95m high. How long will it take the stone to reach the bottom?
Monday, October 26, 2015 by Anonymous

Physics
In a ballistic pendulum experiment, a small marble is fired into a cup attached to the end of a pendulum. If the mass of the marble is 0.0255 kg and the mass of the pendulum is 0.250 kg, how high will the pendulum swing if the marble has an initial speed of 5.75 m/s? Assume ...
Monday, October 26, 2015 by JL

Physics Please help!!
A rock is thrown horizontally off of a cliff. It starts with a velocity of 4.2 m/s and the cliff is 68.2 m high. How long does the rock fall? I got 3.7 seconds but I do not know if it is right. (Help on these two) How far out from the bottom of the cliff does the rock fall? ...
Monday, October 26, 2015 by Jake

English
10. In “Orphans Give Indian Couple Will to Live,” the Paramesvarans are offended by the term orphans because a. they feel they are now the parents to these children*** b. the government will not let the children be adopted by them c. Mr. Paramesvaran grew up without ...
Monday, October 26, 2015 by Kaai97

ENGLISH PLEASE HELP
1. "Imagine a wolf moving through the northern woods. The movement, over a trail he has traversed many times before, is distinctive, unlike that of a cougar or a bear, yet he appears, if you are watching, sometimes catlike or bearlike. It is purposeful, deliberate ...
Monday, October 26, 2015 by Kaai97

English
1. In “The Deadliest Tsunami in History,” the cause of the Indian Ocean tsunami was a. a rupture in the Burma plate*** b. an unintended explosion in Japan c. a tornado off the coast of Sumatra d. mass animal migrations to the North 2. In “The Deadliest Tsunami ...
Monday, October 26, 2015 by Kaai97

Physics
A rock is thrown horizontally off of a cliff. It starts with a velocity of 4.2 m/s and the cliff is 68.2 m high. How long does the rock fall? I got 3.7 seconds but I do not know if it is right. (Help on these two) How far out from the bottom of the cliff does the rock fall? ...
Monday, October 26, 2015 by Carlos

Physics
A place kicker must kick a football from a point 31.2 m from a goal. As a result of the kick, the ball must clear the crossbar, which is 3.05 m high. When kicked the ball leaves the ground with a speed of 21.3 m/s at an angle of 53° to the horizontal. By how much does the ...
Monday, October 26, 2015 by Anonymous

Physics
A place kicker must kick a football from a point 31.2 m from a goal. As a result of the kick, the ball must clear the crossbar, which is 3.05 m high. When kicked the ball leaves the ground with a speed of 21.3 m/s at an angle of 53° to the horizontal. By how much does the ...
Monday, October 26, 2015 by Anon

thomas nhlabathi high school
Sipho is 6 years older than Betty. in 3 years time Sipho will be twice as old as Betty. how old is Sipho now.
Monday, October 26, 2015 by sibusiso

English Check please
The High School Step Team Karla’s cousin Jade urged her to join the step team. “This afternoon you should definitely try out!” Jade suggested after the final bell rang. “I know she wants the best for me,” Karla thought to herself, “but I’m ...
Monday, October 26, 2015 by sammy

English LA 9TH
15. In “The Deadliest Tsunami in History,” the cause of the Indian Ocean tsunami was (1 point) a rupture in the Burma plate. an unintended explosion in Japan. a tornado off the coast of Sumatra. mass animal migrations to the North. 16. In “The Deadliest Tsunami ...
Monday, October 26, 2015 by XenaGonzalez

khilgoan high school
how to making water dissolv oxyzen test solution?
Monday, October 26, 2015 by tutul

algebra
tommy is playing with a kite, and it flies 80 feet high with 100 feet of string released. what is the horizontal distance from tommy to the kite?
Monday, October 26, 2015 by ruby

SCIENCE HELP PLEASE
1.Why can certain stars sometimes be identified as eclipsing binary stars? A. They are brighter than any single star. B. They are all white dwarfs C. They become dimmer at regular intervals*** D. They are cool red stars. 2. Which of the following is a major difference between ...
Monday, October 26, 2015 by Anonymous

math
Bass: The bass in Clear Lake have weights that are normally distributed with a mean of 2.3 pounds and a standard deviation of 0.6 pounds. (a) If you catch one random bass from Clear Lake, find the probability that it weighs less than 1 pound? Round your answer to 4 decimal ...
Monday, October 26, 2015 by robin

RK MISSION PUBLIC SCHOOL
a shop has 500 items out of which 5 are defective. What perceny are defective items?
Monday, October 26, 2015 by HIMANSHU

Physics - Please Check Answers ASAP
Please check these over and see if any are incorrect? 1. The units of speed are: a) m/s ---> my answer b) m/s^2 and direction c) N d) m/s and direction 2. Which of Newton's Laws says you cannot touch anything without being touched? a) 4th b) 2nd c) 1st d) 3rd ---> my...
Sunday, October 25, 2015 by Catherine

Government
Which elections receive a high voter turnout and which ones receive a low turnout
Sunday, October 25, 2015 by Anonymous

math
one-half of the students in a city school plan to enter liberal arts colleges and one-third of the students plan to go to junior college.The remaining 300 pupils expect to seek permanent employment after graduation.How many students are there in this school?
Sunday, October 25, 2015 by Linda

High school
If there were no air resistance,at what velocity would a drop of rain fall from a cloud 500m high?
Sunday, October 25, 2015 by Aijan

Science
1.Why can certain stars sometimes be identified as eclipsing binary stars? A. They are brighter than any single star. B. They are all white dwarfs C. They become dimmer at regular intervals*** D. They are cool red stars. 2. Which of the following is a major difference between ...
Saturday, October 24, 2015 by Shalee ^~^

Astronomy
1.Why can certain stars sometimes be identified as eclipsing binary stars? A. They are brighter than any single star. B. They are all white dwarfs C. They become dimmer at regular intervals*** D. They are cool red stars. 2. Which of the following is a major difference between ...
Saturday, October 24, 2015 by Shalee ^~^

AP Physics
A ball is kicked 30º above the horizontal with an initial velocity of 20m/s. A fence 2.3 meters high is located 32 meters away. a. How long does it take to reach the fence? b. Does it goes over the fence? Does it hit the ground before? By how much? I believe I have to ...
Saturday, October 24, 2015 by Jessica

History
Can someone please check my history answers/questions? Thank you very much for your help! 1) How did the federal government use tariffs in the late 1800s to help the United States grow into an industrial power? A) to tax U.S. industry as a source of federal income B) to ...
Saturday, October 24, 2015 by Abby

History
) How did the federal government use tariffs in the late 1800s to help the United States grow into an industrial power? A) to tax U.S. industry as a source of federal income B) to convince other nations to buy newly available U.S. products C) to support U.S. businesses that ...
Saturday, October 24, 2015 by Abby

GN National Public School
If one third of 100 gm of 27% of aqueous solution is taken in a beaker and 10 gm of sugar is added to it,the concentration of resulting solution is.....
Saturday, October 24, 2015 by saumya

PLZ Help History--@Ms. Sue or @Reed
Maintaining peace is more important than going to war over rights we already have. What type of colonist most likely made this statement? A woman, because high school level many colonial women feared war would result in loss of liberties**** A Loyalist, because many Loyalists...
Friday, October 23, 2015 by Labbayk

Language Arts
2. Which of the following best describes the effect of beginning "Always to remember" with a description of the memorial competition? A. this technique keeps the essay from being autobiography or fiction. B. this tactic gives background for the importance of lin'...
Friday, October 23, 2015 by chris

Physics
I need help with these two. 1. A horizontal force pulls a 20-kg box across the floor with constant speed. μs is 0.60, how much work does F do in moving the cart 3.0 m? 2. A 400 lb load of bricks is to be lifted to the top of a scaffold 30 feet high. How much work to lift ...
Friday, October 23, 2015 by Yurii

Calrary science secondly school taraku
Physics.p: a stone whirled at the end of a rope 30cm long makes 10 complete in 2seconds find the angular velocity the lnear speed the distance covered in 5seconds
Friday, October 23, 2015 by Tsavgbir moses

Human Growth
Social learning theorists such as Bandura are most likely to link the rise in school violence with children’s exposure to: A. media and video game violence B. poverty and parental neglect C. aggressive team sports D. abuse by teachers I choose A is that correct
Thursday, October 22, 2015 by Tonya

Albegra
Tickets to a school play were sold for $3.50 for each adult and $2.00 for each child. A total of 325 people attended the play and the total amount that was taken in was $875. How many of each kind of ticket was sold.
Thursday, October 22, 2015 by Lurye

Newburg Middle School. math
What are the 3 ways to wirte ratios?
Thursday, October 22, 2015 by Huda khalaf

edagahamus com.sec.school
if the sum of the roots and product of the roots of ax^3-6x2+2ax-3b=0 is 3&6 respectively.then find a and b.
Thursday, October 22, 2015 by hailay

Pre- algebra
Giovanni went to Los Angeles, California for the summer to visit his cousins. He used a map of bus routes to get from the airport to his cousin’s house. The distance from the airport to his cousin’s house is 56 km. On his map, the distance was 4 cm. What is the scale...
Thursday, October 22, 2015 by A person

Health
1. True or False: It is better for you to avoid intense feelings of grief. True**** False 2. Which of the following is not a stage of grief? Denial Bargaining*** coping acceptance 3.Which of the following would make dealing with a personal loss even harder? Talking to family ...
Thursday, October 22, 2015 by Cami

Physics
victoria falls is about 108 m high, and sometimes as much as 550,000,000 m3 of water rushes over the edge each minute. what is the waterfalls total power? use a density of water of 1000 kg/m3.
Thursday, October 22, 2015 by Hillary

jyoti public high school
1 hunt "kida" ek bijli k khmbe par jiski lmbaai 20 feet h ....us roz din me 3 feet chhadhta hai aur raat ko soty ..soty 2 feet neeechy khisak jata h ...to btaaiye vo kida us khambe k upr kitne din me chdkr baith jaaega ......?
Thursday, October 22, 2015 by jitesh

math
Edward's school is 13/2 miles away from his home. He goes by car to school and back. The car consumed 4 gallons of gas taking him to and from school over 5 days. What distance did he travel per gallon of fuel? THANK YOU
Wednesday, October 21, 2015 by Tim

English - Resume Writing
How's this objective statement for a resume? "To acquire a job as a swim coach for advanced students while completing high school."
Wednesday, October 21, 2015 by Anonymous

Related Rates Calculus
A man 1.8 m tall is walking at a rate of 1.5 m/s away from a streetlight. It is found that the length of his shadow is increasing at a rate of 0.9 m/s. How high above the ground is the streetlight?
Wednesday, October 21, 2015 by Sisi

Proportion
A flea 1/16 of an inch tall can jump 9 3/8 inches high. If a person five feet tall could jump like a flea, how high could she jump? Careful: Feet are not inches.
Wednesday, October 21, 2015 by DK

Math
A flea 1/16 of an inch tall can jump 9 3/8 inches high. If a person five feet tall could jump like a flea, how high could she jump?
Wednesday, October 21, 2015 by DK

gover street school
27÷3
Wednesday, October 21, 2015 by zanyah

Trig
a smokestack is 190 feet high. a guy wire must be fastened to the stack 30.0 feet from the top. the guy wire makes an angle of 39.0deg with the ground. find the length of the guy wire
Wednesday, October 21, 2015 by Struggler in math

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