Sunday
February 7, 2016

Homework Help: Home Economics: Woodwork

Recent Homework Questions About Woodwork

SS HELP NOW PLZZ
OK SO ALL I NEED IS LITTLE HELP ok resources led to the appearance of the industrial revolution in new england. i know its coal and wood and water i just need help explaining how i got the answer.... i will be your gf for hw long you want and i will love you if you could help ...
Friday, February 5, 2016 by the girl that has no friends

Chemistry- Dr. Bob222
Methanol (CH3OH) is a colorless volatile liquid, formerly known as wood alcohol. It boils at 65.0 °C and has a heat of vaporization ΔHvap = 37.4 kJ/mol. What is methanol’s vapor pressure at 22.0 °C? My answer: 109.5 torr
Thursday, February 4, 2016 by Anonymous

Math
Sara bought 2 boards of wood one board is 18 inches the other is 30 inches she wants to cut the wood into longest equal parts with no wood left over does Sara have enough wood for 10 equal size peices
Wednesday, February 3, 2016 by Lori

math
Elaine is making a model of a house that she designed. She wants to put wood molding around two rooms in the model. She measures and finds that she needs feet of molding for one room and feet of molding for the other room. She has feet of molding
Tuesday, February 2, 2016 by nick

physics
a bullet of mass 20g travelling at 16m/s penetrates a brock of wood and it comes to rest in 0.5seconds.find(a)the acceralation (b)the average redating force(c)the depth of the penetration
Monday, February 1, 2016 by luckson mulanshi

geometry
A triangle is made of wood sticks of lengths 8, 15 and 17 inches joined end-to-end. Pieces of the same integral length are cut from each of the sticks so that the three remaining pieces can no longer form a triangle. How many inches are in the length of the smallest piece that...
Thursday, January 28, 2016 by M

PHYSICS
A BLOCK OF WOOD REST ON AN INCLINE PLANE AND THE COEFFICIENT OF FRICTION BETWEEN THE BLOCK AND THE PLANE IS KNOWN TO BE 0.31 At What Angle Must The Plane Be Inclined To The Horizontal So That The Block Begins To Move Down The Plane
Wednesday, January 27, 2016 by PRINCE

physics
A 10 cm by 10 cm by 10 cm wood block with a density of 700 kg/m^3 floats in water. a. What is the distance from the top of the block to the water if the water is fresh? b. If it's seawater?
Monday, January 25, 2016 by luma

Is this answer valid?
How is forest obtained in Canada? My answer --- How is forest obtained? Well, forest is obtained by many practical techniques. Maybe, a chainsaw or a hatchet. British Columbia, Ontario, and Quebec – all in all, carry out an abundant amount of timber. And, timber can apply...
Friday, January 22, 2016 by Marjorie

Math
Bella sells a jewelry at a market. She cuts out a rectangular piece of wood for a necklace display. The lenght of the piece of wood is 3/4 foot. The width of the piece of wood is 1/3 foot. What is the area, in square feet, of the piece of wood bella cuts out
Friday, January 22, 2016 by Cedriona douglas

math
an open rectangular box has external dimensions as follows: 100cm long,90cm wide and 80cm deep if it is made from wood 2cm thick, calculate the volume of wood in the box
Thursday, January 21, 2016 by anil

Math
Thomas needs to cut a piece of wood for a model airplane he is builing. He has four peices of wood: 5 ft, 4 ft, 6 ft, 3 ft long. If the length of wood he needs to cut √11 ft long, which peice of wood should be cut to have the least amount of unused wood.
Wednesday, January 20, 2016 by anon

Physics
A gun is fired vertically into a 1.60 kg block of wood at rest directly above it. If the bullet has a mass of 21.0 g and a speed of 195 m/s, how high will the block rise into the air after the bullet becomes embedded in it?
Wednesday, January 20, 2016 by Jeff

how to set up this problem
Caleb has a piece of wood that is 156 inches long. He wants to cut the wood into 2 3/4 -foot sections. How many whole 2 3/4 -foot sections can Caleb cut? A 57 B 56 C 5 D 4
Tuesday, January 19, 2016 by matt

MATH
Okay bottle wooden box of internal age 1 metre is made of 5 centimetre thick would the box is open at the top it would cost rupees 9604 cubic metre. Find the cost of the wood require to make the box.
Sunday, January 17, 2016 by ANIRUDH DAHUJA

Science
Which of the following can be used to explain why fossils of the same kind of organisms can be found in different regions of the world? Biogeography Adaptation Continental drif Dispersal Which of the following would best explain why a species of wildflower native to ...
Thursday, January 14, 2016 by Abby

Maths
John has a piece of wood 2.4m lon. He cuts of a piece 0.8.4m long. How long is the remaining piece?
Thursday, January 14, 2016 by Joe

Math
You are building a frame for a photograph that is 8 inches by 11 inches. The width of the frame must be uniform around the picture and you have 42 square inches of wood to use. What is the width of the frame?
Tuesday, January 12, 2016 by Nancy

math
Donald bought 10 woodcarvings for a total of $220. If they were all the same price, how much did he pay for each wood carving?
Tuesday, January 12, 2016 by erika

MaThs
A carpenter has two plank of wood. One plank is xcm long, the other plank is 3xcm long. What is the total lenght of the two planks
Tuesday, January 12, 2016 by Anonymous

MaThs
A carpenter has two plank of wood. One plank is xcm long, the other plank is 3xcm long. What is the total lenght of the two planks
Tuesday, January 12, 2016 by Dvid

Math 10
A carpenter needs to cut 50 cm pieces of wood for table legs. If he has 5 yards of wood, how many legs can he cut? Does he have any wood left over?
Tuesday, January 5, 2016 by Angeli

Physics
A 25.2 kg block of wood is pulled across a floor at a constant 9.74 m/s with a constant 62.7 N force. The bottom of the box has a surface area of 65.1 cm2. If the block was put on its side (which has twice the surface area of the bottom) and pulled with the same force at the ...
Monday, January 4, 2016 by Ron

physics
As shown in the diagram, a bullet of mass 7.0 g strikes a block of wood of mass 2.1 kg. The block of wood is suspended by a string of length 2.0 m, forming a pendulum. The bullet lodges in the wood, and together they swing upward a distance of 0.40 m from the original position...
Monday, January 4, 2016 by jose

Physics-science
A block of wood has a mass of 3.6kg and specific gravity of 0.6. It is to be loaded with lead of density of 11300 kg per cubic metre so that it floats in water with 0.90 of its volume immersed. What mass of lead is needed? (a) if the lead is on top of the wood? (b) if the lead...
Saturday, January 2, 2016 by KAZIN BONNY

Physics- Ballistic pendulum
A simple pendulum is made from a 2 kg. block of wood suspended from a light cord of length 1 m. When the pendulum is hanging in such a way that it is stationary and vertical, a bullet is shot horizontally into the block of wood where it sticks. The bullet has a mass of 1.00 x ...
Wednesday, December 30, 2015 by Joyce

Science
What types of artifacts can accelerator mass spectrometry be used to date, other than wood, paper, and bread?
Wednesday, December 30, 2015 by Anonymous

Chemistry
The carbon buried in a peat bed has about 12.5% of the Carbon-14 of modern wood. What is the age of the peat bed? Explain?
Tuesday, December 22, 2015 by Anonymous

Physical Education
Which of the following is NOT a popular surface for tennis courts? a. Wood*** b. Grass c. Clay d. Hard Court
Saturday, December 19, 2015 by Kaai97

Social Studies
Polynesian culture shares which of the following characteristics with Aborigine culture a. both created elaborate wood carvings to represent gods and kings.*** b. both formed agricultural settlements. c. both based their economies on navigating the seas and fishing. d. both ...
Wednesday, December 16, 2015 by Kaai97

Structures
A wood column is 5.5 in. square in cross section and 12 ft long. Its modulus of elasticity is 1.3 × 106 psi. How much will the column shorten under a compressive load of 36,000 lb?
Sunday, December 13, 2015 by Jane

Social Studies
Please check the 6 questions with my answers. Thank you. Social Political Economic? For each of the following statements, determine whether the statement is Social, Political, and/or Economic in nature. Some statements can be two or more types. 1. "The federal government ...
Saturday, December 12, 2015 by anon

Calulus
You have 300 square feet of wood you will use to construct a rectangular shed with a square base and top. What is the maximum volume of your shed? Optimization Question
Friday, December 11, 2015 by Daniel

Calculus
A home owner wants to fence in his yard of 600 sq. feet. Three sides are to be constructed with chain link fence at a cost of 3.25 per linear feet. The fourth side is to be constructed with a wood stockade fence at a cost of $5.45 per linear foot. A) what is a complete model ...
Monday, December 7, 2015 by Jen

college algebra
The​ half-life of​ carbon-14 is 5600 years. If a piece of charcoal made from the wood of a tree shows only 73​% of the​ carbon-14 expected in living​ matter, when did the tree​ die?
Sunday, December 6, 2015 by tiffany

Physical science
Using a hammer to drive a nail, it is the reaction force that brings the motion of the hammer to a stop but the ___________ that drives the nail into the wood.
Wednesday, December 2, 2015 by Charla

Science
1. Which of the following can be expected to occur as climate change continues on Earth? (1 point) decreased melting of sea ice decreased migration of pests and pathogens increased freshwater sources increased coastal flooding 2. Which piece of children’s’ playground...
Wednesday, December 2, 2015 by YRN DJ

Science...anyone?
1. Which of these sources of energy is NOT renewable? a.) wind b.) solar power c.) hydroelectric power d.) natural gas 2. Air can be polluted by _____. a.) tiny particles of soot b.) carbon monoxide c.) sulfuric acid d.) all of the above 3. Which of the following can cause ...
Monday, November 30, 2015 by Sally

Math Ms. Sue
A carpenter is cutting towels from a piece of wood that is 10 inches long. How many half inch dowels can the carpenter cut? Please help me figure out how to solve this.
Monday, November 23, 2015 by Patrick

Math
Bob is building a house. He has a piece of wood that measures 2 1/3 feet long. He cuts off 3/4 feet, how long is the measure now?
Tuesday, November 17, 2015 by Lisa

physics
When a wood shelf of mass 7.2 kg is fastened inside a slot in a vertical support as shown in (Figure 1) , the support exerts a torque on the shelf. Assume that the slot exerts two vertical forces on the shelf, at points A and B. Detrmine the force exerted on the shelf by the ...
Sunday, November 15, 2015 by Anonymous

physics
When a wood shelf of mass 7.2 kg is fastened inside a slot in a vertical support as shown in (Figure 1) , the support exerts a torque on the shelf. Assume that the slot exerts two vertical forces on the shelf, at points A and B.
Sunday, November 15, 2015 by Anonymous

Math
1. If a number is not a rational number, then it is _____. (1 point) an integer an irrational number a whole number a radical 2. A picture frame is 12 inches long and 9 inches wide. In inches, what is the diagonal length of the picture frame? (1 point) 21 15 8 6 3. Which ...
Wednesday, November 11, 2015 by Cami

Mechanical behavior
The television coverage of the World Series showed several remarkable slow-motion views of the deflection of the bat as it hit the ball. Major league wood baseball bats are made of ash. A typical major league bat has a length of 0.95m and a tapering circular cross section. The...
Wednesday, November 11, 2015 by please HELP

Science
1. Douglas Fir tree rings - excavated from a cave in Arizona. Date: 577 ± 50 years AD Answer: 1373 2. Wood from Egyptian coffin - from the Ptolemic period based on style. Date: 200 ± 150 years BCE Answer: 2150 3. Wood fragments from the floor of a palace in Syria...
Tuesday, November 10, 2015 by Alana

Math
Which of the following situations corresponds to the equation below? 1/3x + 8 = 18 2/3 Keneda is packing some suitcases to take on a cruise. The cruise line allows each guest to bring up to three pieces of luggage with a limit on total weight. So far, she has packed pounds ...
Monday, November 9, 2015 by Wendy

Mechanical Behavior on Materials / math
The television coverage of the World Series showed several remarkable slow-motion views of the deflection of the bat as it hit the ball. Major league wood baseball bats are made of ash. A typical major league bat has a length of 0.95m and a tapering circular cross section. The...
Monday, November 9, 2015 by mel

VCU
Physical Sciences: what is the density of a piece of wood that has a mass of 25.0 grams and a volume of 29.4 cm3?
Monday, November 9, 2015 by Debbie

math please help
This part I have: 1)Derive an equation for the bending deflection δ of the bat at B, where the ball hits the bat, in terms of the applied load, P, the span, lAB, the Young's modulus of ash, E and the moment of inertia of the cross section, I. Answer: -P*l_AB^3/(3*E*I...
Sunday, November 8, 2015 by HELP

Mechanical behavior
This part I have: 1)Derive an equation for the bending deflection δ of the bat at B, where the ball hits the bat, in terms of the applied load, P, the span, lAB, the Young's modulus of ash, E and the moment of inertia of the cross section, I. Answer: -P*l_AB^3/(3*E*I...
Sunday, November 8, 2015 by HELP

maths
A box 48 cm by 48 cm by 36 cm high is made of wood .5 cm thick. If the box has no lid, find the volume of wood used in making the box.
Saturday, November 7, 2015 by Anonymous

Calc
Gloria would like to construct a box with volume of exactly 55ft3 using only metal and wood. The metal costs $12/ft2 and the wood costs $9/ft2. If the wood is to go on the sides, the metal is to go on the top and bottom, and if the length of the base is to be 3 times the width...
Wednesday, November 4, 2015 by Coc

Calculus
Gloria would like to construct a box with volume of exactly 45ft^3 using only metal and wood. The metal costs $15/ft^2 and the wood costs $6/ft^2. If the wood is to go on the sides, the metal is to go on the top and bottom, and if the length of the base is to be 3 times the ...
Wednesday, November 4, 2015 by Dave

English
Can you please help me to understand what this poem is about? Maybe some useful weblinks will hhelp me as i cannot find anything. Thank you :) History John Burnside St Andrews: West Sands; September 2001 Today as we flew the kites — the sand spinning off in ribbons along ...
Wednesday, November 4, 2015 by anonymous

jim chavani high
A cubic block of wood is painted various colours on all the sides.  Each side of the block has the same length of 12cm. This block is now cut into many cubes of equal size of which the sides are now 3cm in length. c) How many cubes could be created from the original ...
Wednesday, November 4, 2015 by musa

Nm juniour clg,rkl
A 20gm bullet collision is fired horizontaly into a 5kg block of wood.suspended by a long spring.The bullet gets embedded in the block and the block at the hole swing 15cm above in intial level.calculate the velocity of bullet?
Tuesday, November 3, 2015 by Nikhil

Business Calculus
Bill wants to fence in his rectangular garden so his precious produce will be protected. Three sides of the fence will be constructed with wire at $2 per linear foot and the fourth side will be constructed of wood fencing at a cost of 6$ per linear foot.If he has $400 to spend...
Monday, November 2, 2015 by Rae

History
Which country produced the most industrial goods by the early twentieth century? England Germany <---- ? Japan Business owners take great risks when they invest in equipment and workers to produce goods. They are committed to finding the best ways to run their businesses ...
Friday, October 30, 2015 by Gigi

SPR,PHYSICS
A block of wood floats in water with two-Third of its volume submerged its relative density is equal to?
Friday, October 30, 2015 by vianychandra

Language Arts
Decide whether each list of nouns is common or proper. Add another example to each list. Write P if the list shows proper nouns. Write C if the list shows common nouns. 1. Nebraska, Colorado, Utah-p Example: New York 2. spikes,wood ties, sledgehammers-c Example: axes 3. Dr. ...
Wednesday, October 28, 2015 by Patrick

adv functions
joe is building a wooden cylindrical storage box. the box will have a volume og 6pi m^3. for design purposes, the thick wood for the top and the bottom costs $6/m^2 and the thinner wood for the sides cost $5/m^2. a)express the cost of the wood as a function of the radius. make...
Tuesday, October 27, 2015 by samm

1 More English check please!!
Read the following sentences from "The Destructors." The new recruit had been with the gang since the beginning of the summer holidays, and there were possibilities about his brooding silence that all recognized. He never wasted a word even to tell his name until ...
Monday, October 26, 2015 by sammy

How much?
How much wood could a wood chuck chuck if a wood chuck could chuck wood? I NEED THE ANSWER ASAP!!
Monday, October 26, 2015 by Chuck

math
the external dimensions of a closed box are 8cm by 5cm by 4cm. given that the thickness of the wood of which it is made is 0.5cm, find the volume of the wood used to make it.
Monday, October 26, 2015 by sabrina

Math- word prolems
You need to do the fencing of two side by side areas with 102 meters of wood fencing. What is the maximum area that you will be able to enclose?
Monday, October 26, 2015 by Sam

Calculus
You need to do the fencing of two side by side areas with 102 meters of wood fencing. What is the maximum area that you will be able to enclose?
Sunday, October 25, 2015 by Taylor

Math
A house requires 10 wood planks but then a creeper blows up 367 blocks, how many are left? Hint: Its in the negative places
Friday, October 23, 2015 by Green

english
Read the following sentences about the father's boat from "The Third Bank of the River" "He was very serious about it. It was to be made specially for him, of mimosa wood. It was to be sturdy enough to last twenty or thirty years and just large enough for ...
Thursday, October 22, 2015 by cassie

fakunle
26cm of wood is cut off a board 130cm long.what percentage has been cut off?
Monday, October 19, 2015 by damola

science
a bullet leaves a rifle with a velocity of 200m/sec and strikes targt up to 4cm what velocity scould it have pierce the same block of wood up to 16cm?
Sunday, October 18, 2015 by infant

math
How much work is done when a 25 N block of wood is lifted 2.2 meters?
Wednesday, October 14, 2015 by alex

LW Magnate School Aba. Nigeria
The wooden frame of a picture is 20cm long and 16cm wide. If the wood is 1.82cm wide, find the size of the picture. My working: The picture frame= L x W = 20x16= 320cm Wood frame= 1.82*2= 3.64cm 320cm less 3.68cm = 316.36cm.
Tuesday, October 13, 2015 by Treasure

physics help
A block of wood experiences a normal force of 32 N from a rough,flat surface.there is a rope tied to the block.the rope is pulled parallel to the surface and the tension in the rope can be increased to 8 N before the block starts to slide. Determine the coefficient of static ...
Thursday, October 8, 2015 by john

Mechanics
A bullet is fired a plank of wood with a speed of 200m/s. After passing through the plank, its speed reduces to 180m/s. Another bullet identical with a speed of 100m/s is fired at the same plank. What is the speed of this bullet after passing through the plank. (resistance ...
Wednesday, October 7, 2015 by Kusemererwa Robert

Please check my answers English
Read the following sentences from "When Greek Meets Greek." Fraser scratch his head. "I know of a landlord up the road who vow that ain't ever taking anybody who come from the West Indies. But he don't mind taking Indians. He wouldn't know the ...
Friday, October 2, 2015 by sammy

Math
Julio is making a bookcase with 5 shelves. Each shelf is to be 3/4 yard long. How much wood does Julio need for the shelves?
Tuesday, September 29, 2015 by Kim

Math
you have a piece of wood that is 144 inches long. you cut it into three pieces. the second piece is 12 inches longer than the first piece. the third piece is 12 inches longer than the second piece. write and solve the equation to find the lengths of the three pieces
Tuesday, September 15, 2015 by Mark

Social Studies
1)How did the shift to farming impact native american cultures? A) Farming impact native cultures to build more permanent shelters out of brick, clay, stone, and wood. B) Agriculture led to a new way of life for native peoples, encouraging the development of distinct customs ...
Wednesday, September 9, 2015 by Tim

science!
this question is not a question but 20 questions. i appreciate if you review all my answers, but i wont provide an answer for the last question (most probably since i didn't finish answering it or typing it out since i only have an hour to do that). now, let's get ...
Tuesday, September 8, 2015 by anon

Chemistry
Explain why the appearance of the wood flame is yellow whereas the gas flame most often appears blue.
Tuesday, September 1, 2015 by Diana

english
And thus for a time I was occupied by exploded systems, mingling, like an unadept, a thousand contradictory theories and floundering desperately in a very slough of multifarious knowledge, guided by an ardent imagination and childish reasoning, till an accident again changed ...
Sunday, August 30, 2015 by Sammy

english
And thus for a time I was occupied by exploded systems, mingling, like an unadept, a thousand contradictory theories and floundering desperately in a very slough of multifarious knowledge, guided by an ardent imagination and childish reasoning, till an accident again changed ...
Sunday, August 30, 2015 by Sammy

english
How does the episode with Victor's father and the episode with the lightning strike as described in this excerpt function similarly? They both involve the reading of books about science. They both involve interactions with parents or guardians. They both suggest a certain ...
Sunday, August 30, 2015 by Sammy

english
All that had so long engaged my attention suddenly grew despicable. Which of the following assertions is supported by this text? The forces of nature are not predictable enough for the narrator. The forces of nature are responsible for the shift in focus of the narrator. The ...
Sunday, August 30, 2015 by Sammy

english
And thus for a time I was occupied by exploded systems, mingling, like an unadept, a thousand contradictory theories and floundering desperately in a very slough of multifarious knowledge, guided by an ardent imagination and childish reasoning, till an accident again changed ...
Saturday, August 29, 2015 by Sammy

english
And thus for a time I was occupied by exploded systems, mingling, like an unadept, a thousand contradictory theories and floundering desperately in a very slough of multifarious knowledge, guided by an ardent imagination and childish reasoning, till an accident again changed ...
Saturday, August 29, 2015 by Sammy

english
How does the episode with Victor's father and the episode with the lightning strike as described in this excerpt function similarly? (5 points) They both involve the reading of books about science. They both involve interactions with parents or guardians. They both suggest...
Saturday, August 29, 2015 by Sammy

english
And thus for a time I was occupied by exploded systems, mingling, like an unadept, a thousand contradictory theories and floundering desperately in a very slough of multifarious knowledge, guided by an ardent imagination and childish reasoning, till an accident again changed ...
Saturday, August 29, 2015 by Sammy

english
All that had so long engaged my attention suddenly grew despicable. Which of the following assertions is supported by this text? The forces of nature are not predictable enough for the narrator. The forces of nature are responsible for the shift in focus of the narrator. The ...
Saturday, August 29, 2015 by Sammy

english
What is the main effect of the scene with the lightning strike on the reader? 1. It suggests the narrator has little understanding of the world. 2. It suggests the power of nature is beyond the control of the narrator 3. It suggests the shifting nature of the narrator's ...
Saturday, August 29, 2015 by Sammy

english
What is the main effect of describing key events in the narrative as "accidents" or as happening by chance? They suggest the events are not entirely negative in their effects on the narrator. They suggest the events cannot be retold objectively by the narrator. They ...
Saturday, August 29, 2015 by Sammy

Algebra
A wooden plank is 5 feet long and 1 1/2 inches thick. To make the plank 1 1/8 inches thick, a carpenter removes the same thickness of wood from the top and bottom of the plank. How many inches does the carpenter remove from the top of the plank? Express your answer as a common...
Wednesday, August 26, 2015 by Mr. Alexander

Math
An artist wants to frame a square painting with an area of 400 square inches. She wants to know the length of the wood trim that is needed to go around the painting. a. If x is the length of one side of the painting, what equation can you set up to find the length of a side? ...
Wednesday, August 26, 2015 by I Need Help :/

English
Identify the verbs and verb phrases in the following sentences. Then, classify each verb or verb phrase as transitive action, intransitive action, or intransitive linking. Give the object(s) of each transitive action verb and the subject complement(s) of each linking verb. 2. ...
Monday, August 24, 2015 by Kyle

Language
Identify the verbs and verb phrases in the following sentences. Then, classify each verb or verb phrase as transitive action, intransitive action, or intransitive linking. Give the object(s) of each transitive action verb and the subject complement(s) of each linking verb. 1. ...
Monday, August 24, 2015 by Kyle

Physics PLEASE HELP!
A bullet whose mass is 1.0 x 10-3 kg leaves a 5.0 kg rifle with a muzzle velocity of 1.0 x 103 m/s. It strikes a stationary block of wood whose mass is 1.0 kg and remains embedded in it. The kinetic energy of the bullet as it travels towards the wooden block is?
Monday, August 17, 2015 by Jenna

science
A 5.3-g bullet is fired horizontally into a 3.6-kg block of wood suspended by a rope from the ceiling. The block swings in an arc, rising 5.4 mm above its lowest position. The velocity of the bullet was:
Sunday, August 16, 2015 by haddad

english
Are the words wear, lay, worn, black, passing, wood, and step connotative words ? Thanks
Wednesday, August 12, 2015 by anon

physics
a bullet of mass 20g is fired into a block of wood of mass 400g . if the bullut and wood move together with speed of 20ms-1 calclate(i) speed with the bullet hits the wood ii the kinetic energy lost iii state the energy changes involed
Friday, August 7, 2015 by kongo.

college chemistry
A piece of wood is discovered in the Amazon with a 14C/12C that is 64.3% that of living organisms. How old is it? I have no clue how to do this please help.
Tuesday, August 4, 2015 by Sam

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Homework Help: Home Economics