Tuesday

February 9, 2016
**physical science 8th grade**

Copper has 2 known isotopes: ^63CU atomic mass= 62.9298 and ^65 CU atomic mass=64.9278. The average atomic mass of copper is 63.546 amu. Calculate the fraction(percent) of each of the 2 isotopes of copper
*Wednesday, November 4, 2009 by 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*

**8th grade**

Can you write an essay of the great wakening as told by a colonist that explains why at least one figure was popular (ig: George Whitefield), explains why someone of influence has ability to persuade, explains themes of great awakening and applies themes of great awakening to ...
*Saturday, October 31, 2009 by em s*

**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*

**8th grade**

At a faculty costume party, each teacher from transylvania Middle School came dressed as his or her favorite creepy creature. The teachers arrived one at a time, and when a new teacher came in, each of the teachers already there lined up at the door and shook hands with the ...
*Monday, October 26, 2009 by anomyous*

**8th grade math**

An airplane flies from New Orleans to Atlanta at a rate of 320mph. The airplane then returns at a rate of 280mph. The total travel time is 3 hours. What is the flying time from New Orleans to Atlanta?
*Tuesday, October 20, 2009 by viv*

**8th grade math**

An airplane flies from New Orleans to Atlanta at a rate of 320mph. The airplane then returns at a rate of 280mph. The total travel time is 3 hours. What is the flying time from New Orleans to Atlanta?
*Tuesday, October 20, 2009 by viv*

**8th grade**

Lori wants to go to the beach on saturday but she's not sure if she has enough gas in her car to drive there and back home. The beach is 77 miles from Lori's house but the car gets about 28 miles per gallon. How many gallons of gas does Lori need to have in her car to ...
*Monday, October 19, 2009 by Gaby*

**8th grade physical science**

A student measured the mass of an object and obtained the following results: 10.1 g, 11.0 g, and 10.5 g. The actual mass of the object was 10.6 g. a. What should the student report as the mass of the object? My answer: The student should report the mass as 10.5, because that ...
*Tuesday, October 13, 2009 by Evangeline*

**8th grade science**

the length of a piece of string is known to be exactly 9.84 cm. two students measured the string. student A used a ruler marked in centimeters and got a measurement of 10 cm. student B used a ruler marked in millimeters and centimeters and got a measurement of 9.8 cm. how ...
*Friday, October 2, 2009 by Michaela*

**8th grade - science**

the length of a string is known to be exactly 9.84cm. two students measured the string. student A used a ruler marked in centimeters and got a measurement of 10 cm. student B used a ruler marked in millimeters and centimeters and got a measurement of 9.8 cm. which student'...
*Friday, October 2, 2009 by Michaela*

**8th grade math PLEASE HELP!**

At Eglinton subway station the 54 Lawrence bus leaves the station every 18 minutes. The 34 Eglinton Bus leaves every 30 minutes. The 28 Mt Pleasant Bus leaves the station every 11 minutes. Assuming the buses run 24 hours a day at what time interval do all three buses leave the...
*Wednesday, September 23, 2009 by Katharine*

**8th grade**

You complete a project for your social studies class. There are 3 parts to the project, worth a total of 100 points. You get 50 out of 50 points on part A, and 23 out of 25 points on part C. The total score you received is 93 out of 100. How many points did you get on part B?
*Monday, August 24, 2009 by trina*

**visual basic**

Cant get my message dialog box to display anbody see waht wrong with it? The message box is located in my if then else statement Dim total As Integer = 0 Dim gradeCounter As Integer = 0 Dim grade As Integer = 0 Dim average As Double = 0 ' sum grades in ListBox Do ' ...
*Thursday, May 7, 2009 by cl*

**Algebra 1- 8th Grade**

According to the 1990 Census, the population of the United States was 2.49 x 10^8. The cost of taking the census in 1990 was 2.6 x 10^9 dollars. How much did the census cost per person in the United States?
*Wednesday, April 29, 2009 by Leila*

**Language Arts**

We have state testing this week [CRCT] and I'm reviewing for the Language Arts part. 8th grade students are required to know a ton of stuff by this time, but one thing I don't understand is simple, compound, and compund-complex sentences. They confuse me and I need to ...
*Tuesday, April 21, 2009 by mysterychicken*

**8th Grade Algebra**

To make the Chinese dish "dragon's beard noodles," fold a 5 ft. strand of dough in half. Stretch the dough back to its original length so that two thinner strands are formed. Repeat this folding and stretching process over and over to produce increasing numbers ...
*Saturday, April 18, 2009 by Joy*

**8th Grade Algebra**

You know how to solve quadratic equations using algebra, graphs and the quadratic formula. Sometimes one method of solving is more convenient than another method. Describe how you would solve each equation. Give reasons for you answers. A) 16x^2 = 1600 B) x^2 - 350 = 0 C) x^2...
*Monday, March 30, 2009 by Joy*

**8th Grade Algebra**

10) a. A recipe for pizza dough says to use a 10 in. by 14 in. rectangular pan. Jake only has a circular pan with a 12 in. diameter. If Jake makes the pizza in his circular pan, will the crust be thicker or thinner? Explain. b. Suppose Jake wants to make a round pizza that is ...
*Wednesday, March 25, 2009 by Joy*

**8th grade history project**

I am doing a history project on marketing inventions from the 1800s. I have to create a poster that includes a catchy slogan for a factory system. (remember that it is from the 1800s.) If you could help give me some ideas that would be great!!! thank you so much! If possible, ...
*Tuesday, March 17, 2009 by Coco*

**Science (atoms) 8th grade**

Speeds up or slows down? By stirring a gas in a liquid, its solubility ____________ the dissolving process. High or low? A gas's solubility is is faster in a liqud when under __________. How do the methods of speeding the rate of solution for dissolving a solid in a liquid...
*Tuesday, March 10, 2009 by Twilight lover*

**8th Grade Algebra**

These are extra credit questions, and I just want to know how to solve them. 1) The sum of two-digits of a two digit number is 14. If the number represented by reversing the digits is subtracted from the original number, the result is 18. What us the orinal number? 2) If 27 is...
*Wednesday, March 4, 2009 by Jenny*

**8th Grade Algebra**

I need help with these problems: 1) A vending machine takes only nickels and dimes. There are 5 times as many dimes as nickels in the machine. The face value of the coins is $4.40. How many of each coin are in the machine? 2) A vending machine takes only nickels and dimes. At ...
*Tuesday, March 3, 2009 by Erika*

**8th Grade Algebra**

1) An exam will have 20 questions worth a total of 100 points. There will be True-False questions worth 3 points each and short essay questions worth 11 points each. Several students ask how many essay questions there will be, but the teacher won't tell. How many essay ...
*Wednesday, February 25, 2009 by Jaida*

**8th Grade Algebra- Answer Check**

Solve each system of equations, give the solution and state whether there are no solutions or many solutions. 1 )3x + 8y = 1 7x + 4y = 17 Answer: (3,1) 2) -3x + 5y = -7 9x + 2y = 38 Answer: (4,1) 3) 7r + 3s = 13 14r - 15s = -16 Answer: (1,2) 4) 2x - 7y = 42 4x - 14y = 64 ...
*Wednesday, February 25, 2009 by Lily*

**8th math(Algebra)**

what is 8a+b=1 8a-3b=3
*Wednesday, February 18, 2009 by Jamiee*

**8th Grade Space and Earth Science**

I have two questions about my study guide for my science test tomorrow. Thank you for any answers that I can get! How does the atmosphere give evidence for divine design? How can a satellite telephone user communicate if radio waves reflect off the ionosphere? Perspiration ...
*Tuesday, February 3, 2009 by Nicole C.*

**8th grade algebra**

You see a firefighter aim a fire hose from 4 feet above the ground at a window that is 26 feet above the ground. The equation h=-0.01d^2+1.06d+4 models the path of the water when h equals height in feet. Estimate, to the nearest whole number, the possible horizontal distances...
*Sunday, February 1, 2009 by Cassie*

**8th grade**

People can be left-handed, right-handed or ambidextrous. The number of boys in Canadian secondary schools who are left handed is about 1/7 the number of boys who are right-handed. About 11% of boys are left-handed. Write and solve an equation to determine what percent of boys ...
*Monday, January 26, 2009 by Tyler*

**8th grade Math**

Megan has at most $1500 to invest. She plans to invest some of the money in a long-term CD at 6% and some of it in a short-term CD at 3%. She wants to earn at least $75 in interest per year. Write a system of inequlites to represent the situation, and use it to find all of the...
*Sunday, January 25, 2009 by Carleigh*

**8th Grade Algebra: Answer Check**

Find the length of the 3rd side of each right triangle. 1. 8^2+15^2=c^2 Answer: c=17 2. 5^2+b^2=13^2 Answer: b=12 3. 9^2+13^2=c^2 Answer: c~15.81 Simplify. Assume that all variables are nonnegative. { this means square root 4. {12 Answer: 2{3 5. 2{75 Answer: 10{3 6. -3{72 ...
*Tuesday, January 20, 2009 by Joy*

**8th Grade Algebra-Radicals:Answer Check**

4. 3ã11 + 4ã11 Answer: 8ã11 7. 7ã2 - 2ã8 Answer: 1ã2 ?? 8. ã48 + ã75 Answer: 9ã3 9.(3ã10) Answer: 19 + 6ã10 10. ã27/64 (...
*Tuesday, January 13, 2009 by Joy*

**8th grade**

2 cylinders are proportional the smaller cylinder has a radius of 4 centimeters, which is half as large as the radius of the larger cylinder. the volume of smaller cylinder =250 cubic cemtimeters. what is the volume of the larger cylinder?
*Sunday, December 14, 2008 by brianna*

**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*

**8th Grade Math**

Tom was floating down the river on a raft when, 1km lower down, Michael took to the water in a rowing boat. Michael rowed downstream at his fastest pace. Then he turned around and rowed back, arriving at this starting point just as Tom drifted by. If Michael's rowing speed...
*Tuesday, September 30, 2008 by Lexi*

**8th grade**

HOW DO I COMPLETE A BAR GRAPH? TO ANSWER 1:THE,WHICH IS TITLE,2:NUMBER LINE AXIS,3: NAME LINE AXIS LABLE,4:INTERVAL LENGTH OF THE NUMBER LINE AXIS,5:NUMBER OF BARS TO BE SHOWN,6:INTERVAL WIDTH EACH BAR,7:INTERVAL WIDTH OF EACH SPACE BETWEEN BARS USEING THIS INFORMATION-MANY ...
*Thursday, September 11, 2008 by UNKNOWN*

**8th grade**

Jamie was throwing darts at targets. When his dart landed in the center of the target(the bull eye)and he earned 7 points. However, when his dart landed on the outside ring he earned 2 points. After 50 throws his friend reported his score to be 160 points. Jamie wanted to know...
*Thursday, August 28, 2008 by Felicia*

**8th Grade Algebra**

To find the image length, of a 4-foot-tall object in a spherical mirror with a focal length of 2 feet, L=4(2/o-2)^2 can be used, where 2 is the distance, in feet, of the object from the mirror. What is the image length of the object when it is 1.5 feet away from the mirror?
*Friday, August 22, 2008 by Anonymous*

**8th Grade Algebra**

The distance required for a car to stop is directly proportional to the square of its velocity. If a car can stop in 112.5 meters at 15 kilometers per hour, how many meters are needed to stop at 25 kilometers per hour?
*Friday, August 22, 2008 by Anonymous*

**Business studies**

Hi, my question involves listing assets and liabilities for week ending 14th of January for a plumbing company. The plumber has bought some tools on the 8th but is not paying for them until the 23rd. Would I need to list the tools as a fixed asset (as they benifit the company)...
*Wednesday, June 25, 2008 by Sam*

**math**

A school has 6th, 7th and 8th period Social Studies classes. One student from each class will be chosen to represent the school in an essay contest. The 6th period finalists are Mike, Sara, Luis and Ed. The 7th period finalists are Ben, Eric, and Sandy. The 8th period ...
*Saturday, April 26, 2008 by kevin*

**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*

**Maths**

1) In the arithmetic progression, the 8th term is twice the 4th term and the 20th term is 40. Find the common difference and the sum of the terms from the 8th to the 20th term inclusive. 2) Find the least number of terms of the AP, 1+3+5...that are required to make a sum ...
*Thursday, April 17, 2008 by Anonymous*

**Science 8th grade please check (revised answer**

Mr. Jones went to his doctor because for the past few days he has been having frequent burning uriation. The doctor preformed a urialysis. This was done by have the patient void into a collection container. The urine was cloudy and yellow in color. There was an unusual ammonia...
*Tuesday, April 1, 2008 by Anonymous*

**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*

**8th grade math**

Your uncle is three years older than your aunt. The product of their ages is 3190. What are their ages? I know the answer is 55 and 58. But I can't come up with the correct formula or equation to get the answer. I've tried 3(A+3)=3190. It doesn't come up with the ...
*Thursday, February 7, 2008 by KL*

**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 - 8th grade**

use the numbers one to nine, each one only once. now multiply a two digit number by a three digit number and get a four digit answer using each of the digits, 1-9 each only once. 12 x 345 = 6789 of course that isn't a true statement though.
*Wednesday, January 9, 2008 by taylor2008*

**spanish**

Question: algo menos de moda que pantlaones de cuadros Answer: Unas faldas armarillo moda que los que pantalones de cuadros This one really confused me - and it is my last one. Do you accept 8th grade students for private tutoring in spanish thanks.
*Tuesday, October 23, 2007 by sam*

**Sequences**

A = {a1, a1 + d1, a1 + 2d1, …}, B = {a2, a2 + d2, a2 +2d2, …}. Investigate whether A + B and A x B are arithmetic or geometric sequences. If an arithmetic sequence is identified, state its common difference. If a geometric sequence is identified, state its common ...
*Sunday, September 30, 2007 by Nelson*

**science**

Is concrete a heterongeneous or homogeneous mixture? Your exact answer here: http://www.usoe.k12.ut.us/curr/Science/sciber00/8th/matter/sciber/matter.htm
*Sunday, June 10, 2007 by Astrid*

**8th grade technology**

what are good sites to study for technology final exams? This site may help you. http://www.homewood.k12.al.us/middleschool/staff/whip/8thgradeproftests.htm However, your best preparation is go study your text and your notes and any handouts your teacher has given you.
*Sunday, June 10, 2007 by cc*

**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*

**math**

wat is a corresponding angle.............. in the math 8th grade is really most of the test goin to be angles In triangles, it is the angle between two specified sides. It also refers to tha angles formed when one line cuts through two or more parallel lines, as in www....
*Thursday, March 1, 2007 by jose*

**Math - 8th grade**

We are just starting this section, and I'm confused...Please help me understand how to solve this inequality: (one fifth r is less than two) 1/5r < 2 Also, simplify: (the #s are exponents) z3 . z3 x12/x3 By 1/5r you mean r/5 or 1/(5r)? z^3 . z^3 = z^6 x^12/x^3 = x^9 If ...
*Wednesday, January 3, 2007 by Shawn*

**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*

**stonehenge**

i'm researching stonehenge for my 8th grade gifted class. where can i find a website that will show me how to build a replica of it? http://www.fromoldbooks.org/OldEngland/pages/0002-Stonehenge-Restored-plan/
*Monday, December 11, 2006 by amy*

**science (8th grade)**

Which of the following is not a characteristic of a crystal? a. The arrangement of the atoms in a crystal determines its shapes. b. A crystalline structure is always geometric. c. Crystals are classified according to their mineral content. http://en.wikipedia.org/wiki/Crystal
*Wednesday, September 13, 2006 by tonya*

**algebra**

give the demensions of rectangles with the perimeters of 70 feet and length-to-width ratios of 3 to 4, 4 to 5, and 1 to 1. Ok, the perimeter is 70 and perimeter = 2(length + width) The ratio is length:with=3:4 so length = (3/4)width 70 = 2(length + width) =2((3/4)width + ...
*Tuesday, September 12, 2006 by christine*

**input output**

I'm in 12th grade. But I find this 6th grade problem a bit CHALLENGING. X: 4 12 Blank Blank Y: 6 18 Blank 60 Someone please solve this. Like.. WHAT. (Solve the blanks)
*Tuesday, January 26, 2016 by lucas*

**maths**

The first terme of a linear sequence is 3 and the 8th term is 31.find the common difference
*Thursday, January 21, 2016 by linear sequence*

**8th grade math and algebra class**

A bird seed store is running a sale, when as you buy additional bags of seed you get a reduction in price on the additional bags. - first and second bags cost $20/bag - third through fifth bag cost $15/bag - sixth through tenth bags cost $10/bag Graph the total cost as a ...
*Monday, January 18, 2016 by Scorer for the Braves*

**math**

A linear sequence has a 3rd term = 7, and a 6th term = 36. What is the 8th term?
*Saturday, January 16, 2016 by Caspar*

**maths**

The first terme of a linear sequence is 3 and the 8th term is 31.find the common difference
*Wednesday, January 13, 2016 by linear sequence*

**Math**

period of a 100 MHz FM radio were is roughly 1 X 10 to the negative 8th s. formulate a problem and solution.
*Sunday, January 3, 2016 by Ivan*

**S.M.JR College**

A particle undergoes s.h.m having time period T. The time taken by it to complete 3 / 8th, oscillation starting from mean position
*Saturday, December 19, 2015 by yogesh sonewane *

**Math**

I can grade 5 papers in 45 minutes how many papers can I grade in 1.5 hours
*Monday, December 14, 2015 by C*

**8th grade algebra**

Can you check my answers? 1. 3√20/√4 = 3√(5)(4)/2 = 3(2)√5/2 = 3√5 2. 4√15/√9 = 4√15/3 3. √12/√16 = √4(3)/4 = 2√3/4 = √3/2 4. √10/√5 = √2 5. √15/√20 = √(5)(3)/&#...
*Thursday, December 10, 2015 by Alexis*

**Grades **

If I have an 82 in a class right now and a test is 50% of my grade but I get a C what would my total grade in the class be
*Thursday, December 10, 2015 by Anonymous*

**iq**

"8th december 2015" in 5 letters without using numbers ?
*Tuesday, December 8, 2015 by ram*

**8TH GRADE LANGUAGE ARTS. HELP PLEASE MS.SUE ASAP**

Both forest fire and why leaves change color in the fall present factual information. write an essay of your own about one of these essays. in your essay, tell whether the author provided enough information for you to understand the topic fully. Then discuss how the method of ...
*Monday, December 7, 2015 by JMANTOCOOL*

**8th Grade pre Algebra : HELP!**

I usually don't post questions on here but Hell, I mind as well go for it. I was sick and now I'm behind, confused, and failing so any help is much appreciated. 3. Which number is equal to 5^3? A. 15 B. 100 C. 125 D. 150 4. What is the squaee root of 25/64 A. 5/8 B. 12...
*Sunday, December 6, 2015 by Drellatrix*

**English **

How would one cite a report done by researchers in MLA format. For example "California Remains the World’s 8th Largest Economy" by CCSCE Thank you
*Tuesday, December 1, 2015 by English MLA FORMAT*

**Civics!!**

What is the 8th amendment. Don't say complicated stuff lol.
*Thursday, November 12, 2015 by Moo*

**math **

The 4th term of an Ap is 6. if the sum of the 8th and 9th terms is -72,find the common difference
*Sunday, November 8, 2015 by Bello Boluwatife*

**History**

Which amendment protects citizens from having their homes searched without a warrant A.)2ND B.)4TH C.)6TH D.)8TH C?
*Friday, November 6, 2015 by YRN DJ*

**maths**

if the 4th term of an arithmetic sequence is 9 and the 8th term is 19
*Tuesday, November 3, 2015 by himanshi*

**Mathematics**

If the first term of an Ap is equal to one half of the common differences,d, find the 8th term of the Ap
*Saturday, October 24, 2015 by Amarachi*

**Mathematics**

The 8th term of a linear sequence is 18th and 12th term is 26.find the first term and the common difference and 2th term
*Monday, October 12, 2015 by Sulaimon yusuf*

**pre calc**

Joely's Tea Shop, a store that specializes in tea blends, has available 45 pounds of A grade tea and 70 pounds of B grade tea. These will be blended into 1 pound packages as follows: A breakfast blend that contains one third of a pound of A grade tea and two thirds of a ...
*Friday, October 9, 2015 by allexelle*

**pre calculos**

Joely's Tea Shop, a store that specializes in tea blends, has available 45 pounds of A grade tea and 70 pounds of B grade tea. These will be blended into 1 pound packages as follows: A breakfast blend that contains one third of a pound of A grade tea and two thirds of a ...
*Friday, October 9, 2015 by allexelle*

**math**

period of a 100 MHz FM radio were is roughly 1 X 10 to the negative 8th s. formulate a problem and solution.
*Saturday, September 19, 2015 by jm*

**math**

Time taken by light to travel 1 meter is roughly 3 x 10 to the negative 8th power. pls. formulate a problem and solution.
*Saturday, September 19, 2015 by jm*

**Algebra**

In his mathematics class, John has taken 3 tests, each worth 20% of his total grade. His grades on those tests were 92%,83%,and 85%. He has an 100% average on his homework, worth 10% of his grade. All that remains is a final exam worth 30% of his total grade. To the nearest ...
*Thursday, September 17, 2015 by -N*

**8th grade algebra**

We did graphing reflections of images homework from the book with problems that gave the vertices for each figure and said either reflect over x or y. This time, the homework is a worksheet and directions are to graph the reflection across either x or y with some value. ...
*Wednesday, September 16, 2015 by Alexis*

**LAW**

The __________ Amendment right to counsel applies during plea bargaining because charges have already been filed before bargaining commences. a. 2nd b. 6th c. 8th d. 14th is it D
*Tuesday, September 1, 2015 by Amy*

**GREATER TOMMOROW**

THE SUM OF THE FIRST TWO TERM OF A GP IS 6 AND THE SUM OF THE 5TH AND 8TH TERM IS 288. SOLVE
*Sunday, July 12, 2015 by DARE*

**Geometric Progression**

The first five terms of a sequence are 9,16,25,36,49,.....find A) the 8th term. B) the nth term?
*Monday, July 6, 2015 by Mutakai Rennie*

**Physics**

A Particle moving with uniform acceleration is found to travel 35m in the 8th second and 51m in the 9th second. its velocity in m/sec at the beginning of 11 seconds is a> 49 b> 45 c> 47 d> 51
*Tuesday, June 30, 2015 by ChuLbuLi*

**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*

**Math**

x to negative 3, x to 9th power, y to 5th power, y cubed Is the answer x to the 6th, y to the 8th?
*Thursday, June 11, 2015 by Rosemary*

**MS. SUE?? MATH (8TH) CONNECTIONS**

I have 3 questions. Multiply the polynomials. -2r(8r+5) a. -16r^2 + 5 b. -16r^2 + 10 c. -16r^2- 10r d. -16r^2 - 10 ^2a(a^2 + 4a) a. 2a^2 + 6a^2 b. 2a^3 + 8a^2 c. 2a + 6a d. 2a^3 + 6a^2 (3y)(3y-2) a. 9y^2 - 6 b. 9y^2 + 5y c. 9y^2 + 1 d. 9y^2 - 6y
*Tuesday, June 9, 2015 by Anon*

**Science- 8th grade- please help!!**

1) What evidence is there that the human species has been successful so far? Explain. 2) What environmental pressures in the past do you think were most important in shaping the human species as it exists today? 3) What environmental pressures exist now that you think may be ...
*Thursday, May 21, 2015 by Savannah H*

**SOCIAL STDIES HELP! 8th**

Ellis Arnall was elected to the office of governor in 1942 by promising to (1 point) reform Georgia’s government. continue Talmadge’s policies. fight in World War II.*** support disfranchisement for African Americans.
*Monday, May 18, 2015 by XenaGonzalez*

**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*

**Language arts 8th grade.**

Which sentence contains a predicate pronoun as a subject complement? 1) The best person for the job is she. 2) The ground is sloping and uneven.* 3) We wondered what happened to him. 4) Amy is employee of the week. Identify the capital portion of the sentence. Chris will be ...
*Wednesday, April 22, 2015 by Selah*

**science 8th (::**

1. According to Ohm’s law, what is the resistance of a lightbulb if the applied voltage is 21.0 V and the current is 3.0 amps? (1 point) 24 ohms 7.0 ohms 18 ohms*** 3.0 ohms am i right?
*Monday, April 20, 2015 by XenaGonzalez*

**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*