# Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 2x + 10y = 58 -14x + 8y = 140

91,718 questions, page 688
1. ## math

Identify the rate, base, and amount in each rate 75% statement or question. Do not solve the base 150 exercise at this point. 150 is 75% of what number?

asked by Veronica on September 3, 2008
2. ## algrbra

It is known that a>0 and b

asked by Ashly on October 7, 2017
3. ## math

A Triangle has sides 4,8,and 11. In a similar triangle the shortest side is 8 and the longest side is x. a) Write a proportion that models the situation. b) Solve the proportion for x.

asked by Felicia on March 27, 2013
4. ## Math

The circular area A in square centimetres of a healing wound is given by A(r)=πr^2 Where r =the radius in centimetres. Find the rate of change of the area with respect to the radius. My work: I'm not really sure if this is correct but I gave it a try.

asked by Nicki on February 24, 2016
5. ## Calculus (Continuity)

If the following function is continuous, what is the value of a + b? f(x) = {3x^2 - 2x +1, if x < 0 a cos(x) + b, if 0

asked by Mishaka on October 22, 2011
6. ## Physics

A football player kicks a ball of mass 1.534 kg across the field using a constant force of 13.4 N over a distance 30.0 m. How much work does the football player do? If the ball was initially stationary, what is its final speed?

asked by Supansa on February 25, 2016
7. ## ap physics

A 1.20*10^2 kg crate is being pushed across a horizontal floor by a force P that makes an angle of 30.0° below the horizontal. The coefficient of kinetic friction is 0.350. What should be the magnitude of P, so that the net work done by it and the kinetic

asked by Anonymous on October 19, 2010
8. ## math

Can someone please check my work? Question~ Find the point-slope form of the equation that goes through these two points. (1, 20) and (8, 4.5) My Answer~ Y= y2-y1/x2-x1 (4.5-20)/(8-1) = -15.5/7 Rewrite -15.5/7 as (-15.5)/7 Rewrite -15.5 as -31/2 = (-31/2)

asked by Abby on January 13, 2016
9. ## 9th grade science

Explain which statement is correct: energy is lost when water is boiled or the energy used to boil water is present, but it is no longer in a usable form unless you use work or heat to make it usable.

asked by bobbi on April 28, 2009
10. ## dynamics

Find the mass center of a cylinder with height L and a hemisphere glued to the top with radius R. L=2R. The cylinder is standing up on its bottom end with hemisphere on top. Im so lost on this and cant use the formula to work.

asked by spencer on February 8, 2009
11. ## Physics

Suppose that the electric potential outside a living cell is higher than that inside the cell by 0.079 V. How much work is done by the electric force when a sodium ion (charge = +e) moves from the outside to the inside? __________ J

asked by Mary on September 3, 2007
12. ## Calculus (Continuity)

If the following function is continuous, what is the value of a + b? f(x) = {3x^2 - 2x +1, if x < 0 a cos(x) + b, if 0

asked by Mishaka on October 22, 2011
13. ## Math

I need the answers and the work shown steb by step today pls^^ For each direct variation find the constant of variation.Then find the value of y when x= -5 1.y=2 whne x=7 2.y=-2 when x=2 3.y= 17 when x=-4 y varies directly with x. 1.if y=6 when x=2,find x

asked by alex on October 6, 2009
14. ## chemistry

Two moles of an ideal gas initially at 27C and 1 atm pressure are compressed isothermally and reversibly till the final pressure of the gas is 10 atm. Calculate the work done. (R=8.314 JK-1mol-1)

asked by anu on February 21, 2015
15. ## Math

Alex works 4 hours on tuesday,thursday ,and Friday.He earns \$6.50 per hour.He is saving to buy a television that costs \$525.How many weeks will Alex have to work to buy the television?

asked by Jayla on May 21, 2012
16. ## Physics

Tigger jumps into the sandpit. As this 13 kg animal jumps up, his initial velocity is 6 m/s with an angle of 26 degrees. As Tigger lands into the sandpit, how much work is done by the sand to stop him? Answer in units of Joules

asked by Rebecca on November 28, 2012
17. ## Physics

a 2 kg block slides down a frictionless incline from point A to point B. A force(magnitude P=3N) acts on the block between A and B, as shown. Points A and B are 2 m apart. If the kinetic energy of the block at A is 10 J, and the work done by gravity is

asked by Robert on March 24, 2011
18. ## geometry

How are the radii of 2 two concentric circles related to the distance between them? I tried making an equation using their cirmcumferences but I was way off. All I did was subtract the inner circle's circumference from the outer circle's circumference and

asked by Jessi on October 11, 2009
19. ## Math

Alex works 4 hours on tuesday,thursday ,and Friday.He earns \$6.50 per hour.He is saving to buy a television that costs \$525.How many weeks will Alex have to work to buy the television?

asked by Jayla on May 21, 2012
20. ## physics

A 2.38 × 103 kg car requires 5.4 kJ of work to move from rest to some final speed. During this time, the car moves 28.1 m. Neglecting friction, find a) the final speed. Answer in units of m/s.

asked by Joe on November 2, 2010
21. ## Math

How do I express these in scientific notation AND Log10 form? 1) ln(8.1) 2) 32.8 x 10^-2 + 3.15 x 10^-1 3) 10^-2 x 10^4.5 4) 10^-45 5) 8^2.34 I will be happy to critique your work here. Most of these require conversion. Do the math, and let your calculator

asked by Carl on January 21, 2007
22. ## physics

A 1.20*10^2 kg crate is being pushed across a horizontal floor by a force P that makes an angle of 30.0° below the horizontal. The coefficient of kinetic friction is 0.350. What should be the magnitude of P, so that the net work done by it and the kinetic

asked by peter on October 19, 2010
23. ## history

what responsibility, (if any), does the government have toward the unemployed? - should the government support people until they find work? - should it provide public jobs when other jobs are unavailable? give reasons to support your views please help me

asked by history on April 27, 2009
24. ## PHYSICS

15.0 moles of an ideal gas, at an initial pressure of 3.50 x105 N/m2 and an initial volume of 1.200 m3, undergo a small isothermal expansion to a volume of 1.220 m3. Find the work done by the gas.

asked by Emma on November 14, 2012
25. ## Math Statistics

Czarina is working part time at a pastry shop baking cupcakes. If she works for 30 hours in one week on the average, how many hours a day does she work if she works 5 days a week?

asked by Amelia on October 19, 2012
26. ## physics

A 2.31 × 103 kg car requires 4.2 kJ of work to move from rest to some ﬁnal speed. During this time, the car moves 26.0 m. Neglecting friction, ﬁnd a) the ﬁnal speed. Answer in units of m/s

asked by billybob on November 18, 2014
27. ## Math

Lin earns \$12 an hour. She wants to buy a new MP3 player. She is considering models that cost at least \$84. Writ an inequality that describes how many hours Lin needs to work to be able to buy the player. Explain the answer.

asked by Damarcus on April 16, 2015
28. ## physics

Three moles of an ideal gas are compressed from 5.5*10^-2 to 2.5*10^-2 m^3. During the compression, 6.1*10^3J of work is done on the gas, and heat is removed to keep the temperature of the gas constant at all times. Find the temperature of the gas. Can

asked by Stella on March 2, 2008
29. ## PHYSICS

Three moles of an ideal gas are compressed from 5.5*10^-2 to 2.5*10^-2 m^3. During the compression, 6.1*10^3J of work is done on the gas, and heat is removed to keep the temperature of the gas constant at all times. Find the temperature of the gas. Can

asked by sTELLA on March 2, 2008
30. ## cc

A pump fills a pool at a rate of 20 cubic meters per hour. If each cubic meter of water is valued at \$10, how many minutes will the pump need to work to transfer \$300 worth of water?

asked by Anonymous on March 28, 2018
31. ## PreAP Physics

A force of 600N is applied to a metal box to pull it 15 m across a floor. The roped used to pull the box is held at an angle of 46 degrees with the floor. How much work is done? My answer is w= 6251.93J

asked by Mandy on November 23, 2011
32. ## statistics

The test scores of students in a class test have a mean of 65 and with a standard deviation of 8. What is the probable percentage of students scored more than 70? Please check work 70-65/8 = .625 = .2357 = 1.-.2357 = .7643 ANSWER 76% ????

asked by Anonymous on February 10, 2014
33. ## science

A motorcyclist is trying to leap across a canyon by driving horizontally off a cliff (height= 60 m) at a speed of 25 m/s. The cycle strikes a cliff on the other side (height= 30 m) at a speed of 15 m/s. Find the work done by air resistance.

asked by Daniela Belen on November 11, 2015
34. ## Physics Friction

A roller coaster with people on board has a total mass of 4500 kg and starts at a height of 22 meters with a speed of 2.0 m/s. 50 kJ of work is done by friction on the way to the bottom of the ride. What is the speed at the bottom of the ride?

asked by mssailormouth on June 19, 2019
35. ## Physics

A 32.0kg crate is initially moving with a velocity that has magnitude 3.92m/s in a direction 37.0 ∘ west of north.How much work must be done on the crate to change its velocity to 5.50m/s in a direction 63.0 ∘ south of east?

asked by Anonymous on May 2, 2014
36. ## Math

Can you please explain step by step on how to do each of these two problems below? And then tell me whether it involves an arithmetic sequence or a geometric sequence I also need the work shown out on both problems thank you. Perform the indicated

asked by John on August 7, 2011
37. ## Physics

A motorcyclist is trying to leap across a canyon by driving horizontally off a cliff (height= 60 m) at a speed of 25 m/s. The cycle strikes a cliff on the other side (height= 30 m) at a speed of 15 m/s. Find the work done by air resistance.

asked by Daniela on November 11, 2015
38. ## Math

Kevin's wife picks him up after work every day at 5:30 pm. One day, he leaves at 4:58 pm, and starts walking home. She pick him up along the way , and when they get home, he notices that they saved four minutes. How long did Kevin walk? :)

asked by Chris on October 1, 2007
39. ## PHYSICS

SUPPOSE THAT THE ELECTRIC POTENTIAL OUTSIDE A LIVING CELL IS HIGHER THAN THAT INSIDE THE THE CELL BY .068 V. HOW MUCH WORK IS DONE BY THE ELECTRIC FORCE WHEN A SODIUM ION (CHARGE = e+) MOVES FROM THE OUTSIDE TO THE INSIDE? ANSWER = ? J

asked by Al on October 9, 2007
40. ## Physics

A typical candy bar contains 300 kilo-calories of energy. if all the energy released by eating the candy bar could be used to do work in lifting a 1000 kg car, how high could it be lifted?

asked by Thomas on November 10, 2016
41. ## Khan

A person lifts a 4.3 kg cement block a vertical distance of 1.3 m and then carries the block horizontally a distance of 5.3 m. The acceleration of gravity is 9.81 m/s 2 . a) Determine the work done by the person in the process. Answer in units of J

asked by Hajib on November 15, 2011
42. ## social stuides

What was the purpose of Jim crow laws in south Carolina? a. To stop African Americans from voting ** b. To stop poor whites from voting c. To take land for African Americans d. To help African Americans gain jobs What was the purpose of the freedmen’s

asked by UNKNOWN on March 22, 2016
43. ## dressmaking

A houndstooth(black and white plaid) jacket would work well with which of the following bodylines? A) Straight B)Soft-straight C)Soft-curved D)curved Im thinking it could be A or B.Need help for this question

asked by Sarah on April 30, 2012
44. ## Alegebra 2

write an expression for the sum of your earnings for 3 weeks and your friends earnings for 2 weeks if you each work r hours per week and your friend received \$15.00 in tips per week

asked by Cullen on September 3, 2012
45. ## physics

How much work is needed to move a proton from a point with a potential of +470 V to a point where it is -51.0 V? Express your answer in joules. Express your answer in electron volts.

asked by VJC on September 15, 2010
46. ## Physics

An ideal gas is squeezed slowly from state A (pressure-600 kPa, volume- 1 L) to B ( pressure-400kPa, volume- 0.5 L). What is the work done or received by the gas?

asked by Chris on March 27, 2010
47. ## math

at the video store where you work the dvd cases are 5/8 of an inch wide. New shelf units are available that have 6 40-inch shelves. How many dvd should fit on a 6-shelf unit?

asked by catherine on August 13, 2015
48. ## Physics, spring force

To compute work done by the spring force, calculate the area of a: a)rectangle b)circle c)triangle The spring force changes as a function distance, so triangle if on a F vs x plot

asked by Anonymous on March 3, 2007
49. ## genetics

1) Mary has a widow's peak (either WW or Ww), but her sister has a smooth hairline (must be ww). Is either one of Mary's parents homozygous dominant or recessive? I think that that she has to have at least one of her two parents be homozygous something in

asked by Evan on April 16, 2014
50. ## Canterbury Tales

I need to find an online version of the Canterbury Tales to read the Prologue. I tried three sites but they do not work or I don't understand them. Does anyone know any other websites to find the Canterbury Tales ?

asked by Emily on September 17, 2007
51. ## Physics

A charge of +444 μC is fixed at the center of a square that is 0.47 m on a side. How much work is done by the electric force as a charge of +5.8 μC is moved from one corner of the square to any other empty corner?

asked by John on February 24, 2015
52. ## physical science

15 joules of work are done by forces other than gravity in taking an object from a position 3 m above the ground to a position 8 m above the ground. what is the change in the gravitational potential energy of the object?

asked by tristen on September 1, 2010
53. ## Physics

A 70 kg block is pulled at a constant speed of 6.4 m/s across a horizontal floor by an applied force of 102 N directed 37° above the horizontal. What is the rate at which the force does work on the block?

asked by Maja on October 17, 2011
54. ## Physicsl Science

A heat pump releases 103.0 kcal as it removes 54.0 kcal at the evaporator coils. how much work does this heat pump ideally accomplish? Answer should be in KJ

asked by Barbara on September 17, 2014
55. ## Physics

A 70 kg block is pulled at a constant speed of 6.4 m/s across a horizontal floor by an applied force of 102 N directed 37° above the horizontal. What is the rate at which the force does work on the block?

asked by Maja on October 17, 2011
56. ## Physics

A 70 kg block is pulled at a constant speed of 6.4 m/s across a horizontal floor by an applied force of 102 N directed 37° above the horizontal. What is the rate at which the force does work on the block?

asked by Maja on October 17, 2011
57. ## physics

When catching a baseball, a catcher's glove moves by 12 cm along the line of motion of the ball. If the baseball exerts a force of 463 N on the glove, how much work is done by the ball?

asked by mike on November 8, 2011
58. ## Cultural Diversity

I am trying to find 2010 Census results for Tucson; specifically population results. Every census.gov link that comes up does not work. Any ideas where I can find the information? Thank you!

asked by Kelli on July 4, 2010
59. ## Work

A truck carrying a 57 kg crate accelerates uniformly from rest to 86.5 km/hr in 18.4 s. Calculate the work done on the crate by the truck (in J). I got 16454 J right. Now why is it positive? K-K = negative if Velocity from rest is 0.

asked by Chris on April 10, 2016
60. ## math

Levi worked in his neighbor's yard for 7 hours trimming the trees. After trimming, he bagged up the trimmings in 38 minutes. How many minutes did he work in the yard altogether?

asked by Sanaya on November 10, 2011
61. ## culteral Diversity

In the agrarian subsistance technology, which preceded the industrial technology revolution, work was a. Capital intensive b. Machine intensive c. Labor intensive d. Management intensive e. All the above

asked by Andrea on December 19, 2009
62. ## English

Why do young people sometimes put themselves at risk? What are three things young people can do to reduce risks and avoid injury? What risk-reduction strategies would work well for you?

asked by Growler on March 22, 2009
63. ## math

One third of the boys and one half of the girls participate in a social work. If the number of participating students is 300 out of which 100 are boys,what is the total number of students?

asked by omaima on November 9, 2016
64. ## Statistics

Suppose that a sample of size 60 is drawn from a population with mean 73 and standard deviation 79. Find the value of , the standard deviation of the distribution of sample means. How do I work this on my calculator?

asked by Anonymous on June 18, 2013
65. ## physics

A charge of +355 μC is fixed at the center of a square that is 0.64 m on a side. How much work is done by the electric force as a charge of +7.9 μC is moved from one corner of the square to any other empty corner?

asked by Anonymous on February 16, 2015
66. ## Science

A parent's chance of passing a rare inherited disease on to a child is 0.15. What is the probability that, in a family of three children, none of the children inherits the disease from the parent? How does that work?

asked by Rmz on January 9, 2010
67. ## Science

You go rock climbing with a pack that weighs 50N and you reach a height of 30m. How much work did you do to lift your pack? A. 80 joules B. 1500 joules C. 20 joules D. 1.67 joules

asked by on March 30, 2016
68. ## physics

When catching a baseball, a catcher's glove moves by 11 cm along the line of motion of the ball. If the baseball exerts a force of 407 N on the glove, how much work is done by the ball?

asked by ryan on March 18, 2012
69. ## Algebra

You are building a rectangular deck. The area of the deck should be 250 ft squared. You want the length of the deck to be 5 ft longer than twice its width. What should the dimensions of the deck be? My work: 250=2x(x+5) Is this correct so far?

asked by Kate on May 22, 2013
70. ## Factor

How do I factor these: 2x2 - 16x + 30 4x^2-9 x^2-5x 5x^2-26x+5 25x^2+4 Example: 2x^2 - 16x + 30 = 2 (x^2 - 8 x + 15) 2(x - 5)(x - 3) The first, factor out a 2 first. Then factor . The second...difference of two squares Third factor out an x I will be happy

asked by mike on July 8, 2007
71. ## math

A supervisor finds the mean number of miles that the employees in a department live from work. He finds mc022-1.jpg and mc022-2.jpg. Which statement must be true?

asked by kiki on November 20, 2015
72. ## Algebra

Is there any prime number whose root is an integer? I meant to say Square Root Nevermind I figured it out. Good work. If a prime number by definition has no factors, ...

asked by Jess on June 26, 2007
73. ## physics

A box which has a mass of 48 kg is dragged across the floor a distance of 5.9 m. If the coefficient of friction between the box and floor is 0.53, how much non-conservative work is done by friction? The acceleration due to gravity is 9.81 m/s2.

asked by Fallon on April 29, 2010
74. ## Physical Science

A heat pump releases 103.0 kcal as it removes 54.0 kcal at the evaporator coils. How much work does this heat pump ideally accomplish? The answer should be in KJ

asked by Barbara on September 18, 2014
75. ## Fractions

Yolana worked 1 1/2 hours raking leaves. Keaton raked leaves for 45 minutes. What fractional part of Yolana's time did Keaton work? A. 1/45 B. 15/45 C. 1/2 D. 3/4

asked by SuJag on January 9, 2012
76. ## Physics

A person pushes a 10 kg crate 5 m up a 29 degree incline with an 80 N force parallel to the incline. The fricitonal force is 20 N. Find the work done: a) by the person b) by gravity c) by friction

asked by Sabrina on October 27, 2014
77. ## physcis

you can close a door by pushing on the door anywhere except directly on the hinge. In each case you do exactly the same amount of work. Why does it seem harder to close thedoor if you push it cose to the hinge.?

asked by Anonymous on October 15, 2008
78. ## Physics

A box is dragged across a floor by a rope which makes an angel 45 degree with the horizontal the tension in the rope is 100N ,while the box is dragged 10m the work done is?

asked by Sangita on September 12, 2016
79. ## psychology

Exhibit a behaviour that you do every day that you think is influenced by heredity and environment. Describe how three of the seven modern perspectives/approaches of psychology would be used to explain your behavior. Make sure that your discussion is not

asked by mymalaca on May 15, 2013
80. ## science

Exhibit a behaviour that you do every day that you think is influenced by heredity and environment. Describe how three of the seven modern perspectives/approaches of psychology would be used to explain your behavior. Make sure that your discussion is not

asked by padarnalat on May 15, 2013
81. ## physics

Because a concave lens cannot form a real image of a real object, it is difficult to measure its focal length precisely. One method uses a second, convex, lens to produce a virtual object for the concave lens. Under the proper conditions, the concave lens

asked by Ted on February 14, 2015
82. ## adverbs adjectives in comparison Corr.3

1. Assignment: Review - Adjectives, Adverbs, and Comparison • Use at least five adverbs and five adjectives to write a 150- to 300-word review of a movie, sporting event, musical performance, or television show. • Bold each adverb. • Underline each

asked by erica on November 13, 2010
83. ## Physics- repost

Posted by jude on Saturday, February 6, 2010 at 2:20am. Given a square of sidelength a = 5 cm. We place a charged particle at each corner, three of them carry + 2 nC of charge and one carries the same amount of negative charge. What is the magnitude of the

asked by Sandra on February 6, 2010
84. ## Math

A geologist at point A measures the distance and angle of elevation to two columns of the Glen Rose formation in Texas. If the distance AS=796 ft and the distance AN=850 ft, compute the difference in the heights of the two columns to the nearest foot. What

asked by Anonymous on March 24, 2011
85. ## math help please im stuck!

1)Describe how you translate the graph y = ãx to y = 2 + ã(x +1). 8)Solve ã 3b = -3 10)For the triangle shown: 3 sided Kinda like --> /\ the right long side is 8 the left is 3 a.Find the missing length= b.Find the area= c.Find the perimeter=

asked by Anonymous on May 21, 2012
86. ## Pre Cal.

1. Use half-angle identity to find the exact value of cos165. MY ANSWER: (-1/2)sqrt(2+sqrt(3)) 2. Solve 2 sin x + sqrt(3) < 0 for 0

asked by Danny on June 16, 2009
87. ## Vectors

A mass of 15kg is supsended by 2 cords from a ceiling. the cords have lenghts of 15cm and 20cm, and the distance between the points wheere they are attached on the ceiling ia 25cm. determine the tension in each of the 2 cords. can someone please tell me

asked by Marge on May 9, 2010
88. ## Geometry

Two similar pyramids have lateral areas f 20 square feet and 45 sqaure feet. The vloume of the smaller pyramid is 8 cubic feet. Find the volume of the larger pyramid. 33ft^3 27ft^3 18ft^3 12ft^3 Can some explain how to solve this.

asked by June (needs help solving) on May 16, 2018
89. ## calculus help please

dy/dx = 2y^2 Integrating...y=2/3 y^3 + C put 1,-1 into the equation, and solve for C. Then find the y for x=2 if y= a^uhttp://math2.org/math/integrals/tableof.htm see exponential functions. dy/dx=2y^2 and if y=-1 when x=1, then when x=2, y=? how do i get x

asked by bobpursley on December 10, 2006
90. ## Basic Engineering2. Materials Science

Boron is used to dope 1 kg of germanium (Ge). How much boron (B) is required to establish a charge carrier density of 3.091e7/cm^3. One mole of germanium has a volume of 13.57 cm^3 and weighs 72.61 gram. Give answer in grams of boron? I have no idea how to

asked by Ray on December 4, 2012
91. ## ALGEBRA

SOLVE IN LINEAR EQUATION? A university bookstore recently sold a wirebound graph paper notebook for \$1.08, and a college ruled notebook for \$3.12.At the start of the spring semester, a combination of 50 of these notebooks were sold for a total of \$88.68

asked by AMBER on March 28, 2012
92. ## math

A geologist at point A measures the distance and angle of elevation to two columns of the Glen Rose formation in Texas. If the distance AS=796 ft and the distance AN=850 ft, compute the difference in the heights of the two columns to the nearest foot. What

asked by Anonymous on March 23, 2011
93. ## Chemistry

A mixture of ethane and ethene occupied 35.5 L at 1.000 bar and 405 K. This mixture reacted completely with 110.3 g of O2 to produce CO2 and H2O. What was the composition of the original mixture? Assume ideal gas behavior Im pretty sure i use dalton's law

asked by Drew on September 19, 2012
94. ## Social Studies (Ms. Sue)

What were the major progressive accomplishments of Wilson's presidency? My answer: The major accomplishments of Wilson's presidency were the passing of the Clayton Antitrust Act, which laid down rules forbidding business practices that lessened competition

asked by Anonymous on June 4, 2013
95. ## Physics

One application of the index of refraction is analysis of crime scenes. Using the index of refraction, forensic scientists can determine what type of glass has been left at a scene. Read the following and answer the questions below. Different types of

asked by Suzy on November 24, 2008
96. ## 7th grade science

1. A Punnett square shows you all the ways in which ____ can combine. (1 point) alleles eggs sperm colors 2. Mendel called plants that received different alleles for a trait from each parent ____. (1 point) hybrids dominant genotypes phenotypes 3. Which is

asked by Delilah on December 12, 2012
97. ## Newtons Cooling Method

Instructions Assume that goat milk butter melts at {85.25}^{\circ} F. On a summer day you take a stick of butter out of the refrigerator, which is set to {36.5}^{\circ} F, and put it on your front porch where the temperature is {89.5}^\circ F. (a) By

asked by Erica on September 23, 2016
98. ## Biology

1. Sponges a. are nonsymmetrical and have oscula b. lack organization into tissues and organs but have specialized cells c. possess cells that are capable of recognizing other sponge cells and have a simple digestive system d. both a and b I'm so confused

asked by mysterychicken on March 6, 2010
99. ## Biology

1. Sponges a. are nonsymmetrical and have oscula b. lack organization into tissues and organs but have specialized cells c. possess cells that are capable of recognizing other sponge cells and have a simple digestive system d. both a and b I'm so confused

asked by mysterychicken on March 6, 2010
100. ## Biology

1. Sponges a. are nonsymmetrical and have oscula b. lack organization into tissues and organs but have specialized cells c. possess cells that are capable of recognizing other sponge cells and have a simple digestive system d. both a and b I'm so confused

asked by mysterychicken on March 6, 2010