# Homework Help: 1st Grade

**1st grade social studies**

the revolutionary war,my son has a project due on 2/23/09 about the revolutionary war.what are white oak tags,how do i go about doing this project.

*Monday, February 16, 2009 by jenny*

**AED**

Choose a grade level and a scientific concept appropriate for that level. • Plan a science experiment to explore this concept. In your paper, address the following points: o List the equipment and materials to be included in the science kit. o Explain what safety precautions...

*Saturday, November 22, 2008 by troyer0269*

**3rd grade 1st year spanish**

I am so confused. This is my first year of spanish and I only have it 1 day a week. Our books are really small without any translated information. I need 2 words that start with the following letters in spanish with the english translation. Thanks for your help. 2 words Y- K- ...

*Sunday, November 16, 2008 by Claire*

**Math**

1st plane flew at 600km/h 15 minutes later..... 2nd plane flew at 700km/h how long did it take the 2nd plane to overtake the 1st plane? for my answre, I got 1.75h Is this correct? The book said it was 1.5 Thanks

*Tuesday, September 30, 2008 by Larry*

**Help!**

I am stumped with a problem we are supposed to help our 4th grader with ... Study the number of pairs: 3 - 8 ; 4 - 11; 5 - 14; 6 - 17; and the it has blanks down to 10 - 29; ... ok we get this part ... adding 2 more each set ... now the questions ... If 50 is the 1st number, ...

*Friday, September 19, 2008 by Frustrated mom! 4th grd MATH*

**math**

35 yrs ago babies are born here hospital celebrated the births of the last baby of feb 20th and the 1st baby of feb 21st w/gifts. 5 mothers including mrs keating were in labor as of midnight find the full name of each newborn 1 of the 1st name is crystal can you figure the ...

*Thursday, February 21, 2008 by latisha*

**School Holcaust Unit**

Okay, i know that this is a sad subject, but i'm getting confused. Was the Nurember Law written on August 20th, or September 1st 1935? Or did the meeting start on August 20th 1935 and ended September 1st 1935?? Any help would be nice...thanks.

*Tuesday, January 29, 2008 by Dawn*

**Can someone check my answer please**

Can someone check this for me? Suppose that the number of cars, C, on 1st Avenue in a city over a period of time t, in months, is graphed on a rectangular coordinate system where time is on the horizontal axis. Suppose that the number of cars driven on 1st Avenue can be ...

*Saturday, December 15, 2007 by Cupcake*

**math 1st. grade**

Adding Doubles just means adding the same numberr to itself. Like 2+2=4, 3+3=6, So addind doubles to 18 would be 0+0=0, 1+1=2, 2+2=4, and so forth up to 9+9=18. Maybe this will help you solve the problem. I have a work sheet that has Add Doubles to 18 with questions asking how...

*Monday, May 21, 2007 by Lance*

**local and state gov.**

someone plz i really need help plz i cant find it in my text so someone plz!!! For a democracy right??? search google: branches of Government Click Bens Guide to Government for kids (1st or 2nd link) Then when you get there select your grade level in the ballon... This shows ...

*Sunday, November 12, 2006 by Cole*

**Proofread -- English**

Yes, that is correct. I am currently taking BUS and CJ courses, but on the 1st of January, my focus will be entirely to CJ. Can someone proofread this sentence for me? I'm not sure I understand the question. If the sentence is to be proofed, I don't know what I am using for a ...

*Tuesday, September 12, 2006 by Anonymous*

**Chemistry**

Calculate partial pressure given ka1, pH and KH The equation given in the question was: HCO3-(aq)+H3O+(aq)= CO2(aq)+H2O Calculate the partial pressure of CO2. I think you use : [H3O+] = ka1x(antilog pH)/(antilog pH) Then Henrys law: Equilibrium conc.[G]=Kh(law constant) × pg...

*Saturday, December 10, 2016 by Seth*

**Math Word Problem**

Riding on a school bus are 20 students in ninth grade, 10 students in tenth grade, 9 students in eleventh grade, and 7 students in twelfth grade. Approximately what percent of students on the bus are in ninth grade? How do I go about solving this?

*Friday, December 9, 2016 by Sheila*

**algebra/pre-calc - please help**

Lines can be used to approximate a wide variety of functions; often a function can be described using many lines. If a stock price goes from $10 to $12 from January 1st to January 31, and from $12 to $9 from February 1st to February 28th, is the price change from $10 to $9 a ...

*Saturday, November 19, 2016 by melissa*

**Algebra**

Lines can be used to approximate a wide variety of functions; often a function can be described using many lines. If a stock price goes from $10 to $12 from January 1st to January 31, and from $12 to $9 from February 1st to February 28th, is the price change from $10 to $9 a ...

*Saturday, November 19, 2016 by melissa*

**math**

Neelesh is fond of playing number games. Once when his friends were present he challenged them. He said that he has thought of a five-digit number and anyone who guesses it correctly can use his cycle for a full day. ‘To help you,’ he said, ‘I shall provide some clues...

*Saturday, August 13, 2016 by gayathri*

**math**

how many different ways can 24 horses win 1st & 2nd places

*Sunday, August 7, 2016 by Anonymous*

**math**

An oil company operates two Southern refineries. The Alabama facility produces 500 barrels of high-grade oil and 200 barrels of medium-grade oil per day. The Texas facility produces 600 barrels of high-grade and 400 barrels of medium-grade oil per day. By operating each ...

*Wednesday, August 3, 2016 by Kenny*

**Maths**

Sn=3n-2.Find the 1st,3rd and 5th term

*Saturday, July 30, 2016 by Efa*

**Maths**

bus one had half of the grade eight students and 6 grade seven students, bus two had 15 grade seven students and one-third of grade eight students, how many students are there in grade 8

*Thursday, June 16, 2016 by Soccer*

**Math**

Show that 1+((e^x-e^-x)/2)^2 = ((e^x+e^-x)/2)^2 Can someone explain how does the 1st equation is equal to the 2nd one

*Sunday, June 5, 2016 by Mr Homie*

**Mathematics**

If someone has an 88% in a class and their total quiz grade is 95%, if they were to have a 2% extra credit added to their grade, could their total grade become a 90%? // They think it may have a score similar to 8/5 or 9/5. This is just a regular question for a friend. Any ...

*Thursday, June 2, 2016 by Sandy East Ward*

**School**

I was just wondering... So like, my teacher drops the lowest grade every new term and when my teacher dropped my lowest grade which says "no count" next to it, my grade went down. Is this possible?

*Friday, April 15, 2016 by Anonymous*

**Math**

I have 3 nickels, 1 quarter, and 1 penny in my pocket. If I pick out a coin from my pocket, do not replace it, then pick out a second coin from my pocket, what is the probability that the second coin that I pick out of my pocket is a nickel? So far I have come up with this: P(...

*Saturday, April 9, 2016 by John*

**1st math**

How far does the minute hand move in an hour?

*Monday, March 28, 2016 by Sara*

**Math**

How many 7th grade students are expected to move by the end of the year? If 12 students actually moved, did more or fewer 7th-grade students move than expected? Justify your answer. 6th-grade # of students: 250 % moves: 2% 7th-grade # of students 200 % moves: 4% 8th-grade # of...

*Tuesday, March 8, 2016 by Sid*

**8th grade math**

I need to create a scatter plot using data for Old Faithful that includes waiting time between eruptions and the duration of the eruption. It's a data frame with 10 observations on 2 variables. eruptions numeric: eruption time in mins waiting numeric: waiting time to next ...

*Wednesday, March 2, 2016 by Alexis*

**MATHS**

If the 1st,2nd,3rd term of a G.P areX,X+1,X+4 respectively,find X

*Monday, January 18, 2016 by STEVIUM*

**Math**

At Jefferson School, both 6th grade & 7th grade classes take a math test. The average score for the 6th grade is 80 and for the 7th grade is 90. If there are twice as many students, in the 7th grade as there is in the 6th grade, what is the average test score for both grades ...

*Thursday, January 14, 2016 by Sidney*

**Math**

The temperature, throughout the year, in a particular town can be graphed using trigonometric functions. On July 24th, the hottest day of the year, the temperature is 27 degrees Celsius. On Jan. 24th, the coldest day of the year, the temperature is -11 degrees Celsius. ...

*Tuesday, December 22, 2015 by Chris*

**Trignometric Functions**

The temperature, throughout the year, in a particular town can be graphed using trigonometric functions. On July 24th, the hottest day of the year, the temperature is 27 degrees Celsius. On Jan. 24th, the coldest day of the year, the temperature is -11 degrees Celsius. ...

*Tuesday, December 22, 2015 by Chris*

**Physics 1st**

What will be apparent length of a rod 1m long moving with 0.7c

*Sunday, December 20, 2015 by Shivam*

**literature for kids**

Picture books are usually written on a __________ reading level. A. kindergarten B. first-grade C. third-grade D. fifth-grade A?

*Friday, November 27, 2015 by bev*

**child development**

Mrs. Brown is feeling a bit irritated by the noise level in her 1st grade classroom. She put all of the students into cooperative groups to work on a social studies project. The room is slightly more noisy then she likes, but when she looks around she sees that all of the ...

*Tuesday, August 25, 2015 by bev*

**Math**

A student needed to get a final grade of 90 to get a grade of A for the semester. He scored 83, 85, 92, 86, and 87. If the last two scores would be counted as one score. What is the least grade the student would need to get to get a final grade of A? Is the answer 45?

*Thursday, August 13, 2015 by Kareen*

**Math**

A student needed to get a final grade of 90 to get a grade of A for the semester. If the last two scores would be counted as one score. What is the least grade the student would need to get to get a final grade of A? Is the answer 45? /

*Thursday, August 13, 2015 by Kareen*

**english**

There are specific dates, this recount spans a long period of time in the narrator’s life, it is in 1st person point of view, and only significant times in this narrator’s life were chosen to be included. These characteristics make this piece a memoir an autobiography a ...

*Tuesday, March 10, 2015 by jimm*

**mathematics concepts**

Fraction symbols can usually be safely introduced A. at the beginning of third grade. B. near the end of first grade. C. near the end of third grade. D. at the beginning of second grade. my answer is c.

*Saturday, February 21, 2015 by Brittney*

**math**

Allie noticed that to get her test grade, she could take Valerie's grade, multiply it by 2 and subtract 15. If Valerie's test grade was x, how would you write Allie's test grade?

*Thursday, December 4, 2014 by zycuria*

**English**

Topic: Literature I'm doing an essay for my coursework on 'Romeo and Juliet' and 'Macbeth'. For my essay i have to compare the presentation of women, with focus on Lady Macbeth and Juliet. I have to focus on language, stage craft, characterization and the audience's reaction. ...

*Saturday, November 29, 2014 by Hifza*

**calculus**

Find the center of mass in the 1st quadrant of the circle x^2+y^2=4 where rho(x,y)=k(x^2+y^2) Thanks.

*Wednesday, October 15, 2014 by Ashley*

**accountancy**

Zeke Company is a manufacturing company that has worked on several production jobs during the 1st quarter of the year. Below is a list of all the jobs for the quarter: Job 356, 357, 358 & 359 were completed. Jobs 356 & 357 were sold at a profit of $500 on each job. What is the...

*Wednesday, June 4, 2014 by bimi*

**math**

find the 1st 4 numbers of the sequence 3 n + 5

*Sunday, April 13, 2014 by steve*

**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 by Luis*

**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 by Jose*

**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 by dalia*

**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 by ingrid*

**math**

In 2008 (Leap year) KIT Hospital had 150 licensed beds for adults and children from January 1st through June 30th. From July 1st through December 31, licensed beds increased to 175. During the first half of the year there were 23114 inpatient service days. During the second ...

*Monday, December 16, 2013 by Anonymous*

**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 by Stephon*

**Pre-Calculus**

f(x)= 3+5cos pi/3 (x-7) If f(x)=4, solve for x. Find 1st 3 positive values. my answers: 2.31, 5.69, 8.31

*Friday, October 18, 2013 by Anonymous*

**1ST ALGEBRA**

-32x^5y^4-24x^4y-16x^3y= _ _ _ _ Factor out: -8x^3y

*Tuesday, September 17, 2013 by CONNECT*

**dma 040**

42 inch cut into 3 pieces. Piece 2 is twice as long as 1st and 3rd piece. Piece 3 is three times as long as piece 1. How long are the pieces 1st board 2nd board 3rd board

*Sunday, September 15, 2013 by Anonymous*

**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 by Anshu*

**conditional sentence**

1. If the sound system hadn't failed, last night's show would have been better. a. this is a correct sentence using the 2nd conditional form b. this is a sentence using the 3rd conditional form Answer a. 3. if the club's manager agrees, they'll play a few more original songs ...

*Wednesday, June 12, 2013 by Jim Collum*

**English Pls Ms. Sue help me by checking my work**

Please replace the incorrect words with correct words in the following sentences using AP Style. There may be more than one error per sentence; all sentences contain at least one error. Use correct AP style, punctuation, grammar and spelling errors.) 11. Original: More than ...

*Monday, June 10, 2013 by Mary 2*

**algerbra**

What is the median and the 1st or lower quartile of the following data: 4, 12, 15, 20, 24, 30, 32, 35

*Thursday, June 6, 2013 by Jack*

**MATH HELP!!**

How many ways can 12 horses in a race come in 1st, 2nd, and 3rd place

*Friday, May 17, 2013 by tariq*

**Probability Math**

A committee of four students will be selected from a list that contains six Grade 9 students and eight Grade 10 students. What is the expected number of Grade 10 students on the committee?

*Tuesday, May 7, 2013 by Lily*

**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 by elena*

**physics**

A rock is dropped from a treetop 19.6 m high, and then, 1.00 s later, a second rock is thrown down. With what initial velocity must the second rock be thrown if it is to reach the ground at the same time as the first? I'm not sure how to find the initial velocity of the thrown...

*Sunday, February 10, 2013 by Wes*

**chemistry**

newton 1st law of motion

*Wednesday, February 6, 2013 by baron*

**math**

You offer to do the dishes for your family for the next month.This month has only 31 days. You suggest that they can pay you in one of three ways: A. $0.50 each day.(I already did this;=$15.50 a month. B.$0.10 the first day,$0.20 the second day,$0.30 the third day,and so on. C...

*Monday, December 17, 2012 by Serpentlord123*

**math**

Hannah's grade on her last math test was 4 points more than Mark's grade. Write an expression for Hannah's grade, using m as a variable. Evaluate the expression if m=92.

*Sunday, November 11, 2012 by josh*

**math 7 grade**

Mr. olsen has classified the charities to which he gives money to into 3 different groups. Each charity in the 1st. group will get $1 . Each charity in the 2 nd. group will get 9 times as much or $9 . Each in the 3 rd. will get 9 times as much as each in the 2 nd. groups or $...

*Wednesday, October 24, 2012 by Bob*

**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 by Jamese*

**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 by Yog*

**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 by Jimena*

**Soc studies**

What are the differences between the 1st and 2nd continental congress and their outcome?

*Tuesday, September 11, 2012 by Marco*

**English 8th**

Whats a 1st person sentence starting with E

*Wednesday, August 22, 2012 by Anonymous*

**math**

Your company can make x-hundred grade A tires and y-hundred grade B tires a day, where 0≤x≤4 and y= (40-10x)/(5-x). The profit on each grade A tire is twice the profit on each grade B tire. Assuming all tires sell, what are the most profitable numbers of tire to make?

*Tuesday, August 7, 2012 by ibranian*

**Mathematics**

A drinking straw of length 21 cm is cut into 3 pieces the length of the first piece is x cm the second piece is 3cm shorter than the 1st piece the third piece is twice as long as first piece (a) state in terms of x the length of the pieces (i think i figured that one out...1st...

*Wednesday, July 4, 2012 by INDIANA*

**physics**

Calculate the magnitude and direction of the Coulomb force on each of the three charges connected in series: 1st - 6 micro Coulombs (positive charge) 2nd - 1.5 micro Coulombs (positive charge) 3dr - 2 micro Coulombs (negative charge) Distance between 1st and 2nd - 3cm Distance...

*Monday, May 21, 2012 by andrew*

**physics**

Calculate the magnitude and direction of the Coulomb force on each of the three charges connected in series: 1st - 6 micro Coulombs (positive charge) 2nd - 1.5 micro Coulombs (positive charge) 3dr - 2 micro Coulombs (negative charge) Distance between 1st and 2nd - 3cm Distance...

*Wednesday, May 16, 2012 by andrew*

**math**

Identify -7x^3+6x^2+6x+9 1st, 2nd, 3rd, and 4th terms. Thanks

*Saturday, May 5, 2012 by Alexis2*

**Finance**

what is the 1st year interest on a convertible bond (20 yr, 10%)

*Saturday, April 21, 2012 by True*

**bookkeeping**

bought 1053 brackets for .46 each bought 945 bushings at .35 each bought 1130 washers at .001each what amount should be entered in the accounts payable column of the purchase invoice register my answer is 518.59 january 1st $100,000 note due in 9months at 9%interest rate march...

*Wednesday, April 4, 2012 by susue*

**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) 2) ...

*Friday, March 30, 2012 by Anonymous*

**chemistry**

Data given are related to the Born-Haber cycle for HCl Calculate the amount of energy lost when the ionic species return to their molecular form. Atomization of ½H2(g)=217.6KJ/mol 1st Ionisation of ½H2(g)=1312KJ/mol Atomization of ½Cl2(g)=121 KJ/mol 1st Ionisation of ½Cl2(...

*Wednesday, March 28, 2012 by Francesca*

**math**

it takes a skier 30 seconds to ski down the 1st mountain to the second mountain that is 40 feet above ground. it takes the skier 6 seconds per foot to slide down. how many feet above ground is the 1st mountain?

*Sunday, February 5, 2012 by jack*

**English 7 - Journal Entry Check**

English Homework: Journal Entry Due Tomorrow Topic - Dicuss a time when you made a decison to do something (Determination), and perservered as a result. Please check my journal entry to see if it's good. Determination When I first came in the 7th grade at (school name), I was ...

*Thursday, February 2, 2012 by Laruen*

**English**

Is it correct to say,"Meetings will be held on the 1st and 3rd Sunday of the month"?

*Wednesday, January 4, 2012 by Carol*

**Social Studies**

What was the 1st automobile to be mass produced in the U.S.? It was the 1901 one

*Tuesday, November 22, 2011 by Mika*

**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 by manal HELP ME*

**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 by manal HELP ME*

**world history**

what are 2 cause and effects of queen elizebeth the 1st dying

*Tuesday, November 8, 2011 by brandon*

**Psychology**

I need to design an experiment with an independent variable and 2 levels. I would like to experiment with whether people say something when someone removes an object from a bag. So far I have Independent Variable -Removal of Object from bag 1st level-removal of significant vs...

*Sunday, October 30, 2011 by Anonymous*

**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 by Karen*

**Finance**

John deposited $1000 on 1st January 2011 in an account paying interest of 12% per annum compounded quaterly. He also deposited $800 (on 1st January 2011) in another account which pays 15% per annum effective interest. Find the time(n) when the two accounts will be equal value ...

*Wednesday, October 5, 2011 by Krishneel*

**LA**

which narrative uses "we" 1st, second or 3rd

*Monday, September 12, 2011 by CAran*

**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 by Jenna*

**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 by Anonymous*

**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 by Ashley*

**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 by Ashley*

**8th grade math**

a basketball player scored 8 pts total during 1st and 2nd quarters of a game. During the 3rd quarter she scored 3 times as many pts as she did in the 4th quarter. Let P = the # of pts the player scored in the 4th quarter. Write and simplify an expression to represent the total...

*Wednesday, May 11, 2011 by Kory*

**statistics**

what the error is: a) Grade Percent Frequency A 20% B 45% C 30% D 10% F 5% (b) The following table summarizes the grade breakdown on an exam in a small statistics class with 10 students. Grade Percent Frequency A 30% B 35% C 15% D 20% F 0%

*Monday, May 9, 2011 by John*

**Socials--no sites.**

What happened on April 1st, 1999? Why is this significant? On April 1st 1999, the NorthWest Territories were split in two. This was so significant because it's what created Nunavut and the Western Territory. What does this area have for resources? For resources it has large ...

*Monday, April 25, 2011 by Anonymous*

**Statistics**

you draw two cards from a standard deck of 52 cards, but before you draw the second card, you put the first one back and reshuffle the deck. a) are the outcomes on the two cards independent? why? b) find P(3 on 1st card and 10 on 2nd) c) find P(10 on 1st card and 3 on 2nd) d) ...

*Friday, April 15, 2011 by destiny*

**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 by Devin*

**double integral**

1. Sketch the region of integration & reverse the order of integration. Double integral y dydz... 1st (top=1, bottom =0)... 2nd(inner) integral (top=cos(piex), bottom=(x-2)... 2. Evaluate the integral by reversing the order of integration. double integral sqrt(2+x^3) dxdy... ...

*Friday, March 11, 2011 by Michelle*

**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 by ry*