Monday

August 31, 2015
**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 by Sharon*

**4th grade fractions**

Ms. Ross's class has 23 students.2/3 of her students have brown hair. The rest have blond hair. How many students have brown hair?
*Wednesday, February 9, 2011 by Tiea*

**4th grade math**

of the third graders who were asked, 2/5 like pizza the best, 3/15 like hamburgers the best, and 18 like macaroni the best. How many third graders were asked their favorite food?
*Wednesday, January 26, 2011 by michael*

**math 4th grade**

i am a mixed decimal number the sum of my whole number is equal to the sum of my decimal number. my tenths is half of my hundredths and my ones is twice my tenths. if all my digit are even and my hundredths is 8 what number am i. pls. answer my question tnx
*Sunday, January 9, 2011 by mikah*

**4th grade**

sylvester bowls once a week. this week he bowled four games. his scores were, 105 103 107 109 what is his average (mean) for the week? explain how you found your answer. what is the median score for the week? explain how you found your answer. what is the mode for his socres ...
*Thursday, January 6, 2011 by dk*

**4th**

what is an array
*Thursday, January 6, 2011 by rashaun*

**4th grade**

carol FRIEND ESMERALDA IS AWAY FOR 3 DAYS.SHE ASKED CARLO TO FEED HER PET DOG TWICE A DAY.CARLO FEED HIM ONE 8-OUNCE CAN EVERY TIME HE GOES ESMERALDA'S HOUSE. HOW MANY CANS OF FOOD DOES ESMERALDA NEED TO BUY FOR THE THREE DAY VACATION? SHOW HOW YOU CALCULATEAD YOUR ANSWER...
*Monday, January 3, 2011 by dk*

**4th grade**

Jorge and Hector like to play marbles.Jorge had 7 more than four times the number of marbles that Hector had. Together they had 37 marbles. How many marbles did Jorge have?
*Thursday, December 9, 2010 by maria*

**4th grade**

At a school fair, you can toss coins into cups to earn points. If you earn 100 points or more you win a prize. The cups are worth 15, 20, 25, and 30 points. If you get 4 tosses and can stop whenever you reach 100 points, what are all the possible combinations of cups that you ...
*Monday, December 6, 2010 by Anonymous*

**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 by Shannon*

**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 by Anonymous*

**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 by 7890-8*

**4th Grade - Science Fair Project**

Which brand of band-aid sticks best? How does Generic vs. Name brand differ in the way the band-aid sticks? Is one better than the other? Is there a site to help me with this Science Fair Project? Can't find one about Band-Aids????
*Tuesday, November 9, 2010 by John*

**4th Grade - Science Fair Project**

Which brand of band-aid sticks best? How does Generic vs. Name brand differ in the way the band-aid sticks? Is one better than the other? Is there a site to help me with this Science Fair Project? Can't find one about Band-Aids????
*Tuesday, November 9, 2010 by John*

**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 by maria*

**4th grade math**

write 1, 2, 3, 4, 5, 6, 7, 8 or 9 in each box. write a number sentence that has the greatest sum _,_ _ _ + _ _ _ write a number sentence that has the least sum _,_ _ _ + _ _ _
*Sunday, October 24, 2010 by charlee*

**4th grade**

Marty has 6 more pogs than Jen. After he gives 10 pogs to Jen, how many more pogs will Jen have than Marty?
*Sunday, October 24, 2010 by McK*

**4th grade**

Marty now has6 more pogs than jen has.After he gives 10 pogs to jen, how many more pogs will jen have then Marty?
*Wednesday, September 29, 2010 by rist*

**earth - website**

I would love my 4th grade students to explore a fun website about the earth and/ or other planets. Do you know any fun and interesting websites that my kids would enjoy exploring while learning about their planet earth.
*Saturday, September 25, 2010 by Marcia*

**4th grade**

i am a 5 digit number my tens digit is the sum of my hundreds digit and thousands digit. my tens digit is twice my ones digit.my hundreds digit is 1 more than zero.my thousands digit is seven times my hundreds digit.my ten thousands digit is the same as my ones digit.what is ...
*Monday, September 13, 2010 by luzia*

**4th Grade Math**

Re: Factor Numbers My son has to write at least two ways to break down numbers - I know he did not learn this in school but I would like to help him at home, please help me I have not done this work in over 30 years. He has to break down the numbers 56, 12, 42, 36, 24 and 60. ...
*Wednesday, June 9, 2010 by Carol*

**4th Grade Math**

Re: Factor Numbers My son has to write at least two ways to break down numbers - I know he did not learn this in school but I would like to help him at home, please help me I have not done this work in over 30 years. He has to break down the numbers 56, 12, 42, 36, 24 and 60. ...
*Wednesday, June 9, 2010 by Carol*

**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 by NEEDSHELP(:*

**4th grade**

Mr. Kimball has a swimming pool that measures 20 feet long by 15 feet wide. He is adding a walkway around the pool that is 3 feet wide all around. What will be the perimeter of the walkway?
*Monday, April 19, 2010 by Kiara*

**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 by magy*

**math 4th grade**

Leah liked to balance objects she found around the house using the science kits she got for Christmas. She found that 3 identical apples and a 5-gram weight exactly balanced with a 50-gram weight.Leah said she could tell how much each apple weighed by solving the equation 3a+5...
*Thursday, April 15, 2010 by Mikayla*

**4th Grade Math**

Ms. Ross's class has 24 students.2/3 of her students have brown hair.The rest have blonde hair.How many students have blonde hair?
*Tuesday, March 23, 2010 by Megan*

**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 by Tyga*

**4th grade**

Of the first graders who were asked,1/6 like math best,2/3 like reading best, and 12 like science best.How many first graders were asked their favorite subject?
*Wednesday, March 3, 2010 by Alyssa*

**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 by scooby*

**4th grade math**

Judy and Ramey together have 42 stuffed animals. Judy has 12 fewer animals than Ramey. How many stuffed animals does each girl have? I know that the answer is Ramey has 27 and Judy has 12 but I don't know how to write the equation for solving it. I figured out the answer ...
*Wednesday, February 17, 2010 by Erik*

**4th grade**

box A has 3 red marbels, and 2 yellow marbels. box B has 2 red marbels and 1 yellow marbel Which box has a greater chance of picking a red marbel from it?
*Sunday, February 14, 2010 by lilly*

**math 4th grade**

To win $1 million, you must draw two cards whose sum is nine, from a stack of cards numbered 1 through 10. After the first draw, you replace the card and shuffle the stack again for the second draw. What is the chance that your two cards will have a sum of nine?
*Sunday, February 7, 2010 by Vann*

**4th grade**

Write the possessive pronouns that could replace each group of words below. Before a noun Not before a noun 1.Martha Katz's _________ _________ 2. the townspeople's ________ ___________ 3. belonging to me _________ ____________ 4. Pablo's ____________ ___________ 5...
*Wednesday, January 13, 2010 by priscilla *

**4th grade**

What is the difference between past tense and past participle? what is used when? for example past tense: I walked to the Cafe. past participle: I had walked to the cafe.
*Thursday, January 7, 2010 by Gita*

**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 by Joyce*

**4th grade**

The 93 nature camp students ate lunch at the lodge. They sat at an even number of tables. There were 5 students sitting at one table, and an equal number of students sitting at each of the other tables. How many students were sitting at each of the other tables?
*Monday, November 30, 2009 by gianina*

**4th grade**

At one table, some of the students shared 3 pizzas. Each pizza was cut into 8 slices. After the students shared the pizza equally, there were 3 slices left over. How many students shared the pizza? How many slices of pizza did each student eat?
*Monday, November 30, 2009 by micaela*

**4th grade math**

The first question states that Jeff runs 25 miles a week. He wants to run more than 25 miles. If Jeff runs 3 more miles each week, how many miles will he be running 6 weeks from now?
*Monday, November 23, 2009 by tyler*

**4th grade**

IN A TUG OF WAR, 5 DONKEYS ARE EXACTLY EQUAL TO 2 ELEPHANTS. IN ANOTHER TUG OF WAR, 3 ELEPHANTS ARE EQUAL TO 1 CAR. WHICH TEAM SHOULD WIN IF A CAR AND 3 DONKEYS ARE MATCHED AGAINST 4 ELEPHANTS?
*Saturday, November 14, 2009 by VIVI*

**4th grade**

math worksheet named Calculating Codes we are to fill in the correct signs (+ - X etc..) looks like we can't rearragne or create an order of operations other than the order of the signs. the example is 1 2-3+4 5 = 54 1 2 3 4 5 = 60 only need two signs + and + 1 2 3 4 5 = ...
*Thursday, November 12, 2009 by Mom and daughter need help*

**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 by Anonymous*

**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 by Anonymous*

**4th**

What is the definition for the word multiplied?
*Monday, October 19, 2009 by Isabella*

**4th grade**

Go on a big number hunt.Find at least one number greater than 100,000.Findat least one number greater than a 1,000,000.Hint:look in a on-line .Record the number below and write at least 2 sentences to describe what each one is about? That's all the information I have.......
*Wednesday, September 16, 2009 by Jason*

**4th grade**

find at least one number greater than100,000?find at least one number greater than 1,000,000
*Wednesday, September 16, 2009 by Jason*

**4th grade math**

thirty six buses would be needed to carry the passengers and crew off three 747 jumbo gets. heres the question: how many buses fo one jet two jets. and how many jets for 180 buses and 252 buses and how many jets would be needed to carry the passengers on 264 buses
*Tuesday, August 25, 2009 by rachel*

**4th grade**

Bobby has only pennies, dimes, and quarters. One half of Bobby's coins are pennies. One fourth of his coins are quarters. Three of his coins are dimes. How many coins does Bobby have? please help me figure this one out?
*Wednesday, April 8, 2009 by Lynnese*

**4th Grade Math Correction**

PLEASE HELP.I am sorry. I posted the question wrong earlier this evening. Instead of 300 it should have read: 3000 exercise books are arranged into 3 piles. The first pile has 10 more number of books than the second pile. The number of books in the second pile is twice the ...
*Thursday, January 8, 2009 by Sean*

**4th Grade Math**

300 exercise books are arranged into 3 piles. The first pile has 10 more books than the second pile. The number of books in the second pile is twice the number of books in the third pile. How many books are there in the third pile?
*Thursday, January 8, 2009 by Sean*

**4th grade**

A MAN HAS 6 HOUSES. INEACH HOUSE HE KEEPS 6 CATS. EACH CAT HAS 6 WHISKERS. AND ON EACH WHISKER SIT 6 FLEAS. A. HOW MANY CATS ARE THERE? B. HOWMANY WHISKERS ARE THERE ON ALL THE CATS? C.HOW MANY FLEAS SIT ON ALL THE CATS' WHISKERS? D. ANSWER THE LAST LINE OF THE PUZZLE:&...
*Thursday, January 8, 2009 by ANNETTE*

**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 by Kristina*

**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 by Bernadette*

**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 by John*

**Elementary lesson (sorry)**

I am doing a practice unit plan for a 4th grade class about the importance of water. The first lesson plan in the unit should focus on a comprehension skill activity that involves writing. I went to the library and i choose the book "The Drop in my Drink" by Hooper ...
*Tuesday, March 18, 2008 by Mary*

**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 by mike*

**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 by Lucy*

**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 by spelling-grammer*

**math**

4th grade math homework. rounding sums and differences. paper say "round each number to its highest place. then estimate the sum or difference." example says 92 +28= then says round to 90 and 30 to make 120. further down numbers get larger 12646 + 9103= do i round to...
*Sunday, September 23, 2007 by tyler*

**organic chemistry**

I need to draw the structure of 4-Hexenal. I understand that "hex" means it is a 6 carbon chain and the 4 tells me the aldehyde group ("al")is off the 4th carbon. My problem is how to draw the parent chain. I tried it with 6 carbons in a straight line then ...
*Thursday, September 13, 2007 by AMY*

**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 by Emma*

**science**

about how many diffrent rocks are there Directly from the site I gave you: "The three classes of rocks: the igneous, the sedimentary and the metamorphic — are subdivided into many groups. There are, however, no hard and fast boundaries between allied rocks. By ...
*Saturday, April 7, 2007 by Caitlyn*

**math 4th grade**

If Sally gave a survey with five colors listed and ask each person who takes the survey to pick one color. She assumes that the results if given to 24 persons the results would be 1/2 blue, 1/12 red, 1/8 blue, 1/4 green, and 1/24 orange. What number of surveys would best prove...
*Thursday, January 25, 2007 by j*

**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 by Tim*

**math-I just want this check because it will be gra**

Are these the correct answers and lables? 9. A hand lens increased the thickness of a line 10 to the 3rd power times.The line was 0.5 mm thick. How thick did the line appear? my ans.- 500 mm thick 10. A truck holds 10 to the 4th power times more pounds than when it is empty. ...
*Thursday, December 7, 2006 by chris*

**math 4th grade question**

Rodney is 3 times as old as his sister.A year ago, he was 4 times as old. How oldare Rodney and his sister now? How do you fiqure this out? Rodney = 3*sister Rodney-1 = 4*(sister -1) solve that out. Have you figured out the answer to this yet because we have the same question.
*Sunday, November 5, 2006 by jennifer*

**math**

how are and 3 4th bours and the distance traveled in 2 3 4th hours represented in the table?how are they shown on the graph? Having read the next four or five posts, I suggest you do two things: 1. Start over and write a complete question for each post. Fragments of questions ...
*Monday, October 2, 2006 by chemiii*

**4th Grade math**

Solve. I have no digits the same. My thousands digit is less than my tens digit. My hundreds digit is twice my ones digit. If you add my digits, the sum would be 25. Who could I be? Could I be 2 numbers? We can not figure this out. Can someone help please. Let's find out ...
*Thursday, September 7, 2006 by Marcus*

**mathmetic**

if 4th power of pojetive real number 3.215 find the number,also veriphy your answer.
*Friday, August 21, 2015 by ganesh patil*

**maths**

If week 1 was the first week of 2014 (starting Saturday 4th January)), by when would you earn: a) $100 b) $500 c) $1000
*Monday, August 17, 2015 by Sam*

**Nursing**

My current overall average is a 76%. Another grade of 67 needs to be added in. That grade is worth 10%. What will my final average be?
*Wednesday, June 24, 2015 by Elaina*

**reading comprehension**

what happens on the 4th of July comprehension passage
*Wednesday, May 27, 2015 by Anonymous*

**civics**

what amendment says you have the right to bear arms? maybe the 4th or maybe 5th also.??
*Friday, May 15, 2015 by jarrod*

**Algebra 1**

A teacher graded the tests for each of her students. She calculated a mean grade of 80 and a standard deviation of 3. One of her students, Katrina, had a z-score of 2. What grade did Katrina get on the test?
*Sunday, May 10, 2015 by Jacob*

**math**

Of the 6796 students in one school district, 1537 cannot read up to grade level. Among a sample of 812 of the students from this school district, 211 cannot read up to grade level. Find the sample proportion of students who cannot read up to grade level. A. 0.14 B. 0.26 C. 211...
*Friday, April 17, 2015 by HELP*

**statistics**

Of the 6796 students in one school district, 1537 cannot read up to grade level. Among a sample of 812 of the students from this school district, 211 cannot read up to grade level. Find the sample proportion of students who cannot read up to grade level. A. 0.14 B. 0.26 C. 211...
*Friday, April 17, 2015 by Jane*

**MATH**

whats the answer to this? write an equation fr an arithmetic sequence with a 1st term of 8 and 4th term of -7. im stuck.
*Tuesday, April 14, 2015 by Samanta*

**programming**

Write a Java application that computes and prints the grade of a student according to the following algorithm: 1) It should read from the user TMA score and MTA score. 2a) If their sum is less than 15, the grade "FC" should be printed and the program will stop. 2b) ...
*Saturday, April 11, 2015 by pooja*

**ICT (Programming) **

Design program logic that receives the letter grades for 4 subjects and then based on the grades, calculate the total grade point. The program should use IF statements to determine the grade point corresponding to the letter grade (as given in the table below). Once all the ...
*Saturday, April 11, 2015 by Zee*

**Algebra**

Write the following in simplified form the 4th root of the 3rd root of a^12 b^36 c^14
*Thursday, April 9, 2015 by Merty*

**Science**

If a full moon occurred on April 1, what phase would you see on the 7th, 21st,4th,30th,and 14th of April
*Wednesday, April 8, 2015 by M*

**7th grade math (probability)**

I'm not sure how to answer this: 3. THe 7th grade wants to have a back-up representative just in case the first teacher is absent. Based on the same scenario as #2, if a math teacher was chosen to be the 7th grade representative, what is the probablility that the back-up ...
*Monday, March 30, 2015 by Alexis*

**math**

there are half as many 11th grade students in the band the are 9th grade students. how many 11th grade students are in the band
*Wednesday, March 25, 2015 by vanessa*

**Math**

Kami has an average of 64% in her class. School ends soon and she would like to raise her grade to a 74%.She has 2 tests left and tests counts as 80% of her grade, what would she have to get on the next to test to get her average up to a 74%?
*Wednesday, March 25, 2015 by Kammi*

**Math**

Theo made the table below to show the number of middle school students who attended the last football game. If the data were displayed in a circle graph, how many degrees would be in the sector representing the eigth graders? Grade 6 Number of students in attendance 375. Grade...
*Tuesday, March 17, 2015 by Anonymous*

**MATH**

DRIVING DOWN A 10% GRADE, THEN YOU DESCEND TO 20 FEET BELOW YOUR STARTING POINT. wHAT CONCEPT DOES THE GRADE RELATE TO?
*Monday, March 16, 2015 by BONNIE*

**Math**

Theo made the table below to show the number of middle school students who attented the last football game. if this data were displayed in a circle graph, how many degrees would be in the sector representing the 8th grade Grades 6,7,8 # of students in 6th grade: 375 7th grade...
*Monday, March 16, 2015 by Ann*

**language arts**

WEDNESDAY March 11, 2015 SCHOOL SUBJECTS Art Business Computers English Foreign Languages Health Home Economics Math Music Physical Education Science Social Studies GRADE LEVELS Preschool Kindergarten Elementary School 1st Grade 2nd Grade 3rd Grade 4th Grade 5th Grade 6th ...
*Wednesday, March 11, 2015 by hello*

**MATHS**

in a GP,the product of the 2nd and 4th terms doubled the 5th term and sum of the first four term is 80.Find the GP.
*Tuesday, March 3, 2015 by SALAUDEEN*

**math**

it takes about 20 minutes to grade a student's paper. How long, in hours, does it take to grade papers for a class of 25 people?
*Friday, February 27, 2015 by brandon*

**statistics**

In a course there is a midterm exam, worth 40% of the course grade, and a final exam worth 60%. On the midterm the mean grade was 80 with a standard deviation of 10, and on the final the mean was 75 with a standard deviation of 15. The correlation between the two exams is 0.6...
*Wednesday, February 25, 2015 by jess*

**mathematics concepts**

Select the answer choice that best describes children's readiness to understand how to tell time. A. Introduce the units of measurement in grade one; expect accurate measurement in second grade. B. It may be introduced in grade 2, but it will be beyond primary before ...
*Tuesday, February 24, 2015 by lauren*

**math**

simplifying radical expressions 3\/""""4""7" 250z x sorry it was hard to type some of the characters.so it's cube on outside of 250 z to the 4th, xto the 7th inside the radical sign
*Monday, February 23, 2015 by Anonymous*

**english (4th grade )**

Identify the infinitive and classify whether it is used as a subject, direct object, predicate noun, appositive, and object preposition. 1.Her only thought was to win. 2.My desire is to help. 3.Mrs. Cao loves to crochet. 4.They remember to say the rosary last night. 5.The ...
*Friday, December 26, 2014 by albert*

**Algebra**

What is a 4th degree polynomial model calculator for this set of data: 1994 2814 1996 3603 1998 5429 2000 3962 2001 4117 2004 3840
*Friday, December 12, 2014 by Anonymous*

**Chemsitry**

What courses should you take in each grade 9,10,11,12 to help you become a pharmacologist. i need courses for each grade
*Thursday, December 11, 2014 by Katherine*

**Math**

An oil company owns two refineries. The daily production limits and operating costs for each refinery are given in the table below. An order is received for 1540 barrels of high-grade oil, 1650 barrels of medium-grade oil, and 2860 barrels of low-grade oil. How many days ...
*Wednesday, December 10, 2014 by LJ*

**7th grade math**

Can you check these? 1. Olivia typed 2 pages in 15 minutes. Write an equation relating the number of minutes m to the number of pages typed. How long will it take her to type 10 pages at this rate? Ans: 15/2 = 7.5 = 7.5 * 10 = 75 minutes 2. If the ratio of Type O to non-Type O...
*Saturday, December 6, 2014 by Alexis*

**Algebra 1**

The ordered pairs(1,4), (2,16), (3,64), (4,256),(5,1024) represent a function. What is a rule that represents,this function? My answer is y=x to the 4th power
*Monday, December 1, 2014 by Steve*

**maths**

The 4th term of an ap is 15 while the 7th term is 27, find the sum of the 9th and 10th term.
*Sunday, November 23, 2014 by thelma*