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March 30, 2015

March 30, 2015

Post a New Question | Current Questions

**Math, Geometry**

The percent grade of a highway is the amount that the highway raises or falls in a given horizontal distance. For example, a highway with a four percent grade rises 0.04 mile for every 1 mile of horizontal distance. a. How many feet does a highway with a six percent grade rise...
*Friday, April 4, 2014 at 5:01pm*

**Math **

The percent grade of a highway is the amount that the highway raises or falls in a given horizontal distance. For example, a highway with a four percent grade rises 0.04 mile for every 1 mile of horizontal distance. a. How many feet does a highway with a six percent grade rise...
*Friday, April 4, 2014 at 1:14am*

**math(QUESTION)**

Suzan has a 69 as her grade in a class. If she does a quiz worth 9% of her grade what will her grade be?
*Friday, March 7, 2014 at 11:13am*

**math**

It says sam test scores for the making period were 60,89,83,99,95,60 Suppose that sams teacher decided to base the marking period grade on the mean. What grade would sam earn? Do you think this is a fair grade explain your reasoning?
*Monday, January 27, 2014 at 8:19pm*

**21**

help me 9th gradge
*Wednesday, December 4, 2013 at 5:11am*

**5th grade math**

In the fourth grade class at Baker Elementary, 9 students are left-handed. The fifth grade has 7 left-handed students and the sixth grade has 6. The number of students in the fourth grade is 3 times the number of left-handed students in the class. The sixth grade has 3 more ...
*Sunday, December 1, 2013 at 8:35pm*

**World History and Geography 9R - HELP!!!!!!!!!!!!!**

Hinduism VS Buddhism?? Similarities and differences Please help and something for a 9th grader to UNDERSTAND.
*Sunday, October 20, 2013 at 6:27pm*

**Math**

Approximately 15% of the students in ST130 obtain A grade. If 3 students are selected at random, find the probability that a)all of them obtain A grade in ST130. b)Exactly 2 obtain A grade in ST130. c)at least one obtain A grade in ST130
*Tuesday, August 27, 2013 at 4:26am*

**algebra I**

Would like the best way to explain two variable equations to 9th grader.
*Wednesday, August 21, 2013 at 12:36pm*

**math**

An elementary school collected a total of 240 cans during a food drive. Grade 3 students collected 1/3 of all the cans grade 4 students collected 52 cans, and the rest of the cans were collected by grade 5 students. How many cans did grade 5 collect? A.28 B.80 C.108 D.188
*Friday, March 29, 2013 at 11:34pm*

**statistics**

The grades on the final examination given in a large organic chemistry class are normally distributed with a mean of 72 and a standard deviation of 8. The instructor of this class wants to assign an “A” grade to the top 10% of the scores, a “B” grade to the...
*Sunday, March 24, 2013 at 5:22pm*

**math**

what formula use in solving or finding for the 9th term of a number in arithmetic series and sequences?
*Saturday, February 16, 2013 at 6:48am*

**9th garde math**

Write an equation for the line with points (4,5) and (6,9). Please explain.
*Wednesday, December 5, 2012 at 8:18pm*

**Math**

A coffee dealer mixed 12 pounds of one grade coffee with 10 pounds of another grade of coffee to obtain a blend worth $54. He then made a second blend worth $61 by mixing 8 pounds of the first grade with 15 pounds of the second grade. Find the price per pound of each grade.
*Sunday, October 21, 2012 at 12:23pm*

**science**

Is venus the 1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th or 9th smallest planet?
*Tuesday, October 9, 2012 at 4:53pm*

**science**

Is venus the 1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th or 9th smallest planet? Also is it the 1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th or 9th largest planet?
*Tuesday, October 9, 2012 at 4:19pm*

**Math**

This isn't a question for math homework but i have a really low grade in math and i want to raise it up. What can i do to get my grade up because i am getting progress reports on Monday and i want to get a really good grade.PLEASE HELP!!!!
*Thursday, September 20, 2012 at 8:59pm*

**English**

Hinders ability to function starting with dis il or not and it has 10 letters. The 5th letter is b and the 7th is l and the 9th is a
*Tuesday, September 11, 2012 at 10:31pm*

**9th grade algebra/Ms Sue**

No, I did not check Reiny's answer that night. I did check it just now and it is the same answer I got the very first time I did the problem,but my Dad did not agree with me at that time. He did later after going over and over it. Thanks Ms. Sue. We just got notice that we...
*Sunday, August 26, 2012 at 7:51pm*

**Math**

Name School Team Event 3: Logic and Reasoning (with calculators) 5th/6th grade Math Meet ‘08 For each number pattern, fill in the next five terms. (2 pts. each blank) ANSWER KEY 1st term 2nd term 3rd term 4th term 5th term 6th term 7th term 8th term 9th term 10th term 1) ...
*Friday, March 30, 2012 at 12:23pm*

**Spanish-9th grade-Please help me**

Is this I would say I snacked(past tense) on popcorn and a drink in the movie? Merende palomitas de maíz y un refresco en el cine. How do I say I snack(present tense) on popcorn and a drink in the show? Meriendo palomitas de maíz y un refresco en el cine.
*Monday, March 26, 2012 at 5:03pm*

**SLOPE MATH**

The grade of a road is its slope given as a percent. for example, a road with a 6% grade has a slope 6/100. it rises 6 feet for every 100 feet of horizontal run. describe a 100% grade. Do you think you could drive up it?could you walk up it? Is it possible for a grade to be ...
*Tuesday, November 15, 2011 at 11:38am*

**math**

the grade of a road is its slope given as a percent. for example, a road with a 6% grade has a slope 6/100. it rises 6 feet for every 100 feet of horizontal run. describe a 100% grade. Do you think you could drive up it?could you walk up it? Is it possible for a grade to be ...
*Monday, November 14, 2011 at 1:33pm*

**Spanish-9th grade**

Could you please check if these are correct? Thank you- 1.¿Necesitas monedas para coleccionar monedas? Sí. Las necesito para coleccionar monedas. 2. .¿Necesitas el bate para jugar al tenis? No,lo necesito para jugar al tenis. 3. Me hablas? Sí, te ...
*Monday, October 17, 2011 at 11:29am*

**statistics**

A study of graduates average grades and degrees showed the following results: B.S. Degrees, 15 graduates averaged Grade A, 8 graduates averaged Grade B, and 5 graduates averaged grade C. Graduates who had a B.A. Degree, 8 averaged grade A, 12 averaged grade B, and 7 averaged ...
*Saturday, October 15, 2011 at 8:05pm*

**Spanish-9th grade**

We are learning about animals and I have to write sentences describing animals. Are these correct?Thanks for checking them 1.El venado café es muy bonito. 2.El elefante gris es muy inteligente. 3.La jirafa marrón es muy alta y delgada. 4.La ardilla café y ...
*Tuesday, September 20, 2011 at 12:40pm*

**Astronomy**

Calculate the wavelength and frequency of the radiation emitted by the electronic transition from the 10th to the 9th excited state of hydrogen.
*Wednesday, September 7, 2011 at 11:45am*

**Math**

If you are getting a B in everything else in this class but you don't do any of the news item write ups(which are 9% of your grade, then will your final grade be a B? If not a B, then what will your final grade be?
*Friday, September 2, 2011 at 4:22am*

**maths**

how to write 9th july 2011 in 5 alphabets without using numbers?
*Saturday, July 9, 2011 at 4:58am*

**MATH**

What is the 9th term -1/18 1/6 -1/2
*Wednesday, June 15, 2011 at 3:09am*

**Math**

If Brittany has a 49.7% grade average then for her final exam that is worth 20% of the grade and she gets a 90% what would her final grade be?
*Tuesday, May 31, 2011 at 4:51pm*

**Pre algebra**

Kayla has a 41% grade average. On an exam that is worth 20% of her grade she gets a 100%. What is her grade now?
*Wednesday, May 25, 2011 at 8:07am*

**Math**

Kayla has a 41% grade average. Then sha takes an exam that is for 20% of her grade and gets an 100%. What is her grade now?
*Wednesday, May 25, 2011 at 8:02am*

**College Algebra**

Charlie can grade exams in 2 hours. It takes Mark 6 hours to grade the same exams. If they work together, how long will it take for them to grade the exams?
*Wednesday, March 30, 2011 at 12:36pm*

**appling middle**

If the data were displayed in a circle graph, what percent of the graph would represent the seventh grade? Enrollment is Sixth grade 64, Seventh grade 64, and Eighth grade is 70
*Thursday, March 10, 2011 at 8:32pm*

**maths**

The probabilities of a student getting grade A, B, C and D are 0.2, 0.3, 0.15 and 0.35 respectively. Then the probability that the student gets 1) At least C grade is __________ 2) At most C grade is ___________
*Thursday, March 10, 2011 at 1:44am*

**9th grademaths**

explain mid point therom
*Tuesday, December 21, 2010 at 11:28pm*

**Math**

If a grade was drawn at random from the data shown below, what is the probability that the grade is not a B? Grade Frequency A 2 B 8 C 11 D 2 F 1 I think it is 1 out of 5 or 4 but I am not sure? Please help :) Thank you much!
*Sunday, December 5, 2010 at 10:02am*

**9th grad algebra**

how do you solve y=5x-8 and 5y=2x+6 using elmination? Thank you, Raina
*Tuesday, November 16, 2010 at 8:59pm*

**8th grade**

At Smart Middle School students are required to take 7 classes each grading period. At the end of each grading period a student is assigned a final grade (A, B, C, D or F) for each class for the grading period. A student’s overall grade point average for the grading ...
*Monday, November 15, 2010 at 10:40pm*

**Math**

At Smart Middle School students are required to take 7 classes each grading period. At the end of each grading period a student is assigned a final grade (A, B, C, D or F) for each class for the grading period. A student’s overall grade point average for the grading ...
*Monday, November 15, 2010 at 5:40pm*

**9th grade**

Use the following Info. At sea level the speed of sound in air is linearly related to air temp. If 35 degrees Celsius sound travels at a rate of 352meters per sec. if 15degrees Celsius sound travels at 340 meters per sec. How would i write a linear equation that models speed ...
*Monday, November 15, 2010 at 5:36pm*

**9th grade algebra**

The force F required to stretch a string varies directly with the amount the string is stretched, S. 32 pounds is needed to stretch a string 4 inches.. A) Write a direct variation equation that relates F and S. Answer: 32=F*S+4 is what I think.. Most likely wrong. B) How much ...
*Monday, November 15, 2010 at 3:20pm*

**comparing fractions**

at Morris Elementarhy there are 45 students in each grade, four though six. In the fourth grade, 19 participate in sports after school. Two out of every six fifth grade play sports after schoo;. In the sixth-grade class, seven of every ten students are not playing sports. ...
*Wednesday, November 3, 2010 at 12:11am*

**9th gradesocial studies**

i have a project on changing area under forest and its impact on environment and i am not getting any information on it can you help me
*Monday, October 18, 2010 at 5:56am*

**9th grade**

Celia bought 12 apples, ate two of them, and sold the rest at 20 cents more per apple than she paid. Her total profit was $1.00. How much did she sell for each apple? I need help with this question. I know that this is a bought and sold question. I know that she bought 12 ...
*Monday, September 27, 2010 at 11:31pm*

**algebra 2**

simplify the square root of 18 m to the 9th power
*Sunday, September 19, 2010 at 5:55pm*

**9th **

Evaluate each expression. 9 ¸ 3 + 3 ´ 4 a. 24 b. 15 c. 17 d. 6 MY ANSWER 15??????
*Thursday, September 9, 2010 at 7:59pm*

**9th **

Define a variable and write an expression for the phrase. the quotient of 6 times a number and 16 a.(16x) / 6 b.(6x) / 16 c.96x d.x / 96
*Thursday, September 9, 2010 at 7:56pm*

**9th grade ENG**

in her room at the prow of the house where light breaks and the windows are tossed with linden. my daughter is writing a story i pause in the stairwell , hearing from her shut door a commotion of typewriter- keys like a chain hauled over a gunwale. young as she is, the stuff ...
*Thursday, June 10, 2010 at 6:44pm*

**what can i compare middle school to?**

what can i compare middle school to? (use in metaphor), based on 6th, 7th, and 8th grade. for example playing monopoly 6th grade - buying properties, 7th grade- adjusting to the game, 8th grade - stress over money
*Sunday, May 16, 2010 at 6:34pm*

**Lifeskills **

Need help people making a resume for hw assignment!!? okay so I'm in 9th grade and have life skills .we have to make our own resume on the job we want. i want to study criminology and become a detective so i have to write stuff sorta pertaining to it. like in my summary i ...
*Saturday, May 8, 2010 at 11:46pm*

**9th grade -physical science**

a the top of a hill a rollercoaster has 67,500j of kinetic energy and 290,000j of potential energy. gradually the roller coaster comes to a stop due to friction. if the roller coaster has 30,000j of potential energy when it stops, how much heat energy is generated by friction ...
*Monday, May 3, 2010 at 4:32pm*

**9th grade**

at the top of a hill a rollercoaster has 67,500j of kinectic energy and 290,000j of potential energy. gradually the rollercoaster comes to a stop due to friction. If the rollercoaster has 30,000j of potential energy when it stops, how much heat energy is generated by friction ...
*Monday, May 3, 2010 at 2:36pm*

**9th grade Algebra**

A spinner has 3 three sections, each with different point values and areas. -The 1-point section is 2/3 the area of the spinner. -The 2 point section is 1/4 the area of the spinner. -The 3 point section is 1/12 the area of the spinner. To the nearest tenth of a point, what is ...
*Sunday, April 25, 2010 at 8:42pm*

**find my grade average**

-10% of my grade *82 -20% of my grade *100% *100% *100% *100% *100% *100% *100% *100% *82% -30% of my grade none -40% of my grade *76% reply as soon as possible. thank you!!!!
*Sunday, April 18, 2010 at 6:11pm*

**slis**

hi, im in the 9th grade and i need help I need help with my math. the following questions are? we are learning parallel lines and perpendicular lines. think you can help me? e) parallel to y=0 and passes through (1,2) f) perpendicular to x=-1 and passes through (3,5) g) slope ...
*Friday, April 2, 2010 at 11:21am*

**Math 157-1**

Use the data in the grade-distribution Use the data in the grade-distribution table below to construct a circle graph showing the distribution of grade types in Ike’s class. Grade Frequency A 2 B 8 C 11 D 2 F 1 How would the graph change if there were twice as many of ...
*Friday, March 19, 2010 at 10:01am*

**9th grade**

the debate club needs $240.00 to attend a debate tournament. the club decides to sell iced tea and lemonade at baseball games. iced tea will be sold for $.50 per cup and lemonade will be sold for $.80 per cup. write the equation to find how many cups of each beverag must be ...
*Wednesday, March 10, 2010 at 6:06pm*

**9th **

Solve for: -20 <= 3x - 7 <= -2 The solution is xl __<= x <=__
*Wednesday, March 10, 2010 at 9:59am*

**9th grade**

Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 100 mile per hour and train B is traveling at 125 mile per hour. Train A passes a station at 3:15pm. If train B passes the same station at 3:27 pm at what time will train B catch up ...
*Wednesday, March 10, 2010 at 9:56am*

**classroom instruction**

Search the Internet to locate and review your state’s educational standards for a grade level and subject that interests you, such as second-grade language arts or fifth-grade science. i need help finding information on the state of wisconsin and 1st grade P.E.
*Thursday, February 18, 2010 at 10:37pm*

**Biology**

What would happen to a protein in this example if the 9th base in the original DNA strand was changed to thymine ?
*Thursday, February 18, 2010 at 5:39pm*

**9th Grade Math**

I have one more problem that I need help with. If someone can help me set up the problem I will be able to solve it for my answer. I don't know where to begin with this problem. Thank you for your help it's greatly appreciated. For groups of four or more diners, many ...
*Friday, February 12, 2010 at 10:04pm*

**9th grade**

A reporter covering a naturalization ceremony wants to randomly select new citizens to interview. Out of the 200 new American citizens, 7 of them are from Ecuador, and 10 of them are from Kenya. What is the probability that the reporter will randomly select a person from ...
*Wednesday, January 13, 2010 at 2:29pm*

**1st grade Math Fair**

My school is planning a Math Fair. Each grade will compete with same grade team members. The rules are: TO make it fun and use Al. math strands . The problem is I dont know where or how to begin this project. Can anyone help?
*Friday, January 1, 2010 at 12:30am*

**9th grade**

each question is 10 points each, and i dont get 4 questions. I am in Earth Science and in 9th grade i would appreciate it if some one would help me. THANKS ! Where have earthquakes occurred most frequently during the last one hundred years? 1) in the polar regions 2) in the ...
*Monday, November 23, 2009 at 8:50pm*

**9th grade**

Mr. Mist’s ramp broke so he tried to lift the his 150 Newton box of ungraded papers with a pulley system. Mr. Mist had to pull the rope in his system 3 meters. The papers were lifted into his car by the pulley system which lifted the box 1.5 meters, while Mr. Mist only ...
*Saturday, November 14, 2009 at 9:36pm*

**9th grade Math**

Tittle: Police Officer Salary: $3,142/month Average work hours per week:40 School Loan:$15,000 Responsible for patrolling an assigned area to prevent and discover crime and to enforce regulations.Duties may include:conducting investigations,making arrests,and testifying in ...
*Thursday, November 5, 2009 at 11:15pm*

**Math**

Use the data in the grade-distribution table below to construct a circle graph showing the distribution of grade types in Ike’s class. Grade..Frequency A......2 B......8 C......11 D......2 F......1 How would the graph in Exercise 7 change if there were twice as many of ...
*Sunday, November 1, 2009 at 4:34pm*

**Math**

Use the data in the grade-distribution table below to construct a circle graph showing the distribution of grade types in Ike’s class. Grade..Frequency A......2 B......8 C......11 D......2 F......1 How would the graph in Exercise 7 change if there were twice as many of ...
*Tuesday, October 27, 2009 at 10:52am*

**algebra/9th grade**

decide whether the given ordered pair is a solution of the equation: 1. 3y+12x=-4; (1/5, -35/15): 2. 8-3x+24y=0; (5, 23/24) I think neither of them are. _______ find the x-intercept of the graph of the equation. 3. 13x-24y=-5 --> x=-5/13 4. -14+6y=7x --> x=-2 __ find the...
*Wednesday, October 7, 2009 at 4:30pm*

**9th grade**

1. when non-human things are given simple human characteristics, this is an example of what? 2. however, when non-human things are given the ability to think, talk, and act consciously like humans, that is an example of what? 3. in what point-of-view is the narrator outside ...
*Sunday, May 31, 2009 at 5:20pm*

**9th grade science**

Explain which statement is correct: energy is lost when water is boiled or the energy used to boil water is present, but it is no longer in a usable form unless you use work or heat to make it usable. i think that the 2nd one is correct because i no that energy is not lost ...
*Tuesday, April 28, 2009 at 7:38pm*

**Romeo and Juliet (proofread essay )**

This question goes with the essay: Describe the reactions of Juliet's father and mother when Pais proposes marriage to their daughter. How are their opinions the same and how are they different? Essay: Lord Capulet, and Lady Capulet had the same reactions to Paris's ...
*Thursday, April 23, 2009 at 6:19pm*

**9th grade**

A glass jar holds a single germ. After one minute, the germ splits into two germs. One minute after that, the two germs each split again, forming a total of four germs, continuing at this rate, a single germ can multiply to fill the whole jar in exactly one hour. Know this, ...
*Wednesday, April 1, 2009 at 10:12am*

**9th Pre Algebra**

I need help with exponents -n6 for n=2
*Monday, March 23, 2009 at 9:22pm*

**9th grade**

A flagpole casts a shadow 27 feet long. A person standing nearby nearly casts a shadow 8 feet long. If the person is 6 feet tall, how tall is the flagpole
*Sunday, March 1, 2009 at 6:45pm*

**9th grade math**

Hey i need help on my math hw i just dont get it lol please help me! Here the questions Which of the following equations has a graph that is parallel to the graph of 4x-2y=7? A:-2y = 4x+2 B:7-4x=2y C:4x+2y=2 D:-4x-2y=-7 E:2y=4x+7 Determine if the two lines 7x+5y=35 and y= -7 ...
*Sunday, March 1, 2009 at 3:47pm*

**Social Studies/Missouri Facts**

Could you also check these thanks. Could I get a letter grade I'm in 9th grade 1. Who is the Governor of the State of Missouri? Answer: Jay Nixon 2. Name the two major cities in Missouri. Answer: St. Louis and Kansas City 3. Where is the capital of Missouri? Answer: ...
*Thursday, February 19, 2009 at 9:45pm*

**Math**

you have 9 terms, the first is 0 and the 9th is 12 one of the outputs is 27 what is the equation for the pattern?
*Sunday, February 8, 2009 at 10:14pm*

**9th chemistry**

I don't understand the formula for sodium hydrogen phosphate. Can you please tell me it and explain it?
*Friday, January 2, 2009 at 9:35pm*

**URGENT!!!!9th grade tech**

i have my ISUs due tomorrow and if i dont get them in tomorrow they take off 50% the thing is idk wat 2 do 4 something its confusing me basically im supposed to find three different types of airplanes (being monoplanes, different models with the weird alphanumeric names?) and ...
*Thursday, December 18, 2008 at 7:28pm*

**9th grade science**

if the turns of the output gear over the turns of the input gear is equal to the number of teeth on the input gear over the number of teeth on the output gear, the input gear has 36 teeth and the output has 10, the output gear has turned twice as much as the input gear, how ...
*Friday, December 5, 2008 at 8:57am*

**9th**

2(3a+2)=-8
*Wednesday, November 5, 2008 at 10:18pm*

**science 9th**

a toaster uses chemical energy to make toast ( true or false )
*Wednesday, October 29, 2008 at 9:40pm*

**3rd grade**

There are 33 students in the band. There are 6 more fifth-grade students than third-grade students. There are an equal number of third- and fourth-grade students. How many third-grade students are in the band?
*Wednesday, October 8, 2008 at 12:58am*

**english**

I need you to grade my paper for me . I dont have a car and I don't know the area well enough to ask anyone to grade it for me I just want you to grade it for me. and leave the red marks on it for me so I can correct it my self and send it back to me through email. If it&#...
*Friday, October 3, 2008 at 4:54am*

**history**

explain 9th amendment
*Sunday, September 28, 2008 at 10:37pm*

**9th grade Social**

What modern tools do these early tools resemble? 1.> Small sharp tipped tool which is made of bone. 2.> Roughly the size of arrowhead, the 1.5 inch tip of this hand held tool is made of flint, a very hard rock. the wooden handle is about three inches long. 3.> X-rays ...
*Sunday, September 7, 2008 at 4:36pm*

**la 9th**

what are the emotions for the word precipice
*Thursday, September 4, 2008 at 9:50pm*

**9th lit**

kith will only buy his groceries at bandbMarkets'the freshest store in town.
*Monday, June 23, 2008 at 4:10pm*

**Reading**

For summer reading i have to chose a fiction book, at 9th grade level or above and a global historial book (not usa) from paleolithic to 1550 AD. For global i have a list: Dance of the Tiger: a novel of the ice age Child of Morning Escape from Egypt The Murder of Tutankhamen: ...
*Friday, June 13, 2008 at 9:17pm*

**English Expression**

What grade/year are you in? I'm in the first grade in middle school. I'm a first grader in middle school. I'm in the 7th grade. I'm a 7th grader. ----------------------- Are the answers all acceptable? Which one is commonly used? Can we use both 'grade'...
*Friday, April 18, 2008 at 12:25pm*

**working with data**

josephs final averages in science class are shown in the table below. homework % toward final grade-20% average-93 quizzes % toward final grade-20% average-92 tests % toward final grade-40% average-85 final exam % toward final grade-20% average-? what is the minimum score ...
*Sunday, February 24, 2008 at 4:45pm*

**Algebra II**

The problem states: Saturn is approximately 1.4x 10 to the 9th power kilometers from the Sun. If light travels at approx. 3.0 x 10 to the 5th power kilometers per second, how long does it take light from the Sun to reach Saturn? Express your answer in scientific notation. The ...
*Sunday, February 3, 2008 at 10:54am*

**english**

when writing the word GRADE ONE in a sentence...would it be Grade One (where there both capital) Grade one (where only grade is capital) or grade one (where none are capital)
*Sunday, January 13, 2008 at 5:19pm*

**English**

Any one got any book recommendations for a 8th to 9th grader?
*Sunday, October 28, 2007 at 4:51pm*

**physics-energy conservation**

some people refer to heat as "low grade energy. a)how is low grade energy different from high grade energy? b)give two example of high grade energy When heating a cup of tea, which would be preferable...a stove with a burner on top, or a heating pad? High grade energy is ...
*Tuesday, May 8, 2007 at 4:41am*

**math / linear programming**

Two factories manufacture 3 different grades of paper. The company that owns the factories has contracts to supply at least 16 tons of low grade, 5 tons of medium grade, and at least 20 tons of high grade paper. It costs $1000 per day to operate the first factory and $2000 per...
*Tuesday, January 2, 2007 at 6:44pm*

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