# Questions Asked onMarch 2, 2008

1. ## calculus

A woman 5.5 ft tall walks at a rate of 6 ft/sec toward a streetlight that is 22 ft above the ground. At what rate is the length of her shadow changing when she is 15 ft from the base of the light?

2. ## calculus

You are designing a rectangular poster to contain 256 in^2 of printing with a 3-in. margin at the top and bottom and a 2-in. margin at each side. What overall dimensions will minimize the amount of paper used?

3. ## Physics

A 550 turn solenoid is 15 cm long. The current in it is 33 A. A 3.0 cm long straight wire cuts through the center of the solenoid, along a diameter. This wire carries a 22 A current downward( and is connected by other wires that don't concern us). What is

4. ## chemistry

name each of the following ionic compounds by stock system... couldn't find these in the list. a)NaCl b) KF c) CaS d) Co(NO3)2 e)FePO4 f)Hg2SO4 g) Hg3(PO4)2

5. ## grammar

I have a sentence: langston hughes who lived from 1902 to 1967 read works by the great twentieth century midwestern poets vachel lindsay edgar lee masters and carl sandburg used their influence in writing his own poetry. Now I need help writing the parts

6. ## calculus

You are using Newton's method to solve x^3-5x-2=0. If your first guess is X1=2, what value will you calculate for the next approximation X2?

7. ## physics!

Suppose the amplitude and frequency of a transverse wave are, respectively, 1.3cm and 5.0Hz. Find the total vertical distance (in cm) through a fixed point in 3.0s. PLEASE GIVE ME SOME IDEAS TO DO IT!!!THANKS A LOT!!!!!!!

8. ## PHYSICS!!!HELP！！

The speed of a transverse wave on a string is 450 m/s, while the wavelength is 0.18m. The amplitude of the wave is 2.0mm. How much time is required for a particle of the string to move through a total distance of 1.0km? I NEED SOME HINTS TO DO IT!!!PLEASE

9. ## thermochem

It takes 333.51 joules to melt exactly 1 gram of H2O. What is the molar heat of fusion for water, from this data?

10. ## Chemistry

It takes 333.51 joules to melt exactly 1 gram of H2O. What is the molar heat of fusion for water, from this data?

11. ## english (books)

need to know where to find the book the wreck of the zanzibar by micheal morpurgo

12. ## Chemistry

what precipitate (if any) will form? Al(NO3)3 (aq) + Ba(OH)2 (aq)

13. ## Physics

A man lifts a 21.1 kg bucket from a well and does 3.1 kJ of work. How deep is the well? Assume that the man lifts the bucket at constant speed. Answer in units of m. I am not sure if I did this right: (mg)(d)= Wnet (21.1 kg)(9.81)(d)= 3100J d= 14.98 meters

14. ## chemistry

225 mg sample of diprotic acid is dissolved in enough water to make 250mL solution.the pH of this solution is 2.06. a saturated solution of calcium hydroxide Ksp=1.6E-6 Then the saturated solution of calcium hydroxide is prepared by adding excess calcium

15. ## Physics

A 2500kg car is travelling due west at 30m/s when the brakes are applied, exerting a force of 5000 N [E]. What is the car's acceleration due to the braking?

16. ## physics

A man pulls a crate of mass 53.0 kg across a level floor. He pulls with a force of 180.0 N at an angle of 28.0° above the horizontal. When the crate is moving, the frictional force between the floor and the crate has a magnitude of 124.0 N. If the crate

17. ## 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. I

18. ## chemistry

write the formulas and give the names of the compounds formed by the following ions a) Cr^2+ and F^- b) Ni^2+ and O^2 and c) Fe^3+ and O^2-

19. ## calculus

Use the linearization approximation (1+x)^k=1+kx to find an approximation for the function f(x)=(1/square root of 4+x) for values of x near zero.

20. ## chem

in nuclear reactions there is often a measurable difference in the mass of the reactants and the mass of the products that is not the result of errors in massing. what is the reason for the difference in mass value?

21. ## math

Posted by mota THE MASS OF THE SUN IS ABOUT 10^27 METRIC TONS , OR 10^30 KILOGRAMS . HOW MANY KILOGRAMS ARE IN ONE METRIC TON ? ----------------------- math - drwls 1000. ----------------------- explain please i want to understand this question :) this is

22. ## math

The adult dose of a liquid medication is 0.1ml/kg to be administered in a single dose. How many teaspoonfuls should be administered to a person weighing 220 pounds?

23. ## Corporation Finance

If you put up \$28,000 today in exchange for an 8.25%, 15-year annuity, what will the annual cash flow be? The answer I came up with was \$30,310, does anyone know a formula or the steps to find the answer, I just trying using the pmt function in excel.

24. ## physics

You're explaining to a younggster at the seashore why the water is cyan colored.The youngster points to the whitecaps of overturning waves and ask why they are white. what is your answer?

25. ## Earth science

the youngest part of ocean floor is found

26. ## Spanish

What do these phrases mean? I can't find a good spanish to english translater. Al Cafe es el cultivo principal del Valle Central El Parque Nacional Tortuguero, en la costa caribena de costa rica, es hogar de muchas plantas y animales como la tortuga verde,

27. ## science

a glass is partially filled with water. Five ice cubes are placed in the glass, causing the level of the water to reach the rim of the glass. Which of the following statments best explains the increase in water level? A)The volume of the sumerged ice is

28. ## Physics

A proton follows a spiral path througha gas in a magnetic field of .010 T , perpendicular to the plane of the spiral.In two successive loops, at point P and Q, the radii are 10.0mm and 8.5 mm,respectively.Calculate the change in Kinetic energy of the

29. ## Algebra II

Determine the equation of any vertical asymptotes and the value of x for any holes in the graph: f(x)= x^2-11x+18/x-2. I factored and got: (x-9)(x-2)/x-2 Answer: no vertical asymptotes and x= 2&-7 are the holes. Is this correct? Thanks.

30. ## science

Why do u think the vial of water in plain ice didn't freeze, bu the vial of water in salted ice did freeze?? People put salt on ice when they make ice cream. Why do they do that?

31. ## calculus

Let y = sin(x^2-3). find dy.

32. ## Physics

A boat is to be driven from a point on the South bank of a river which flows West-to-East to a destination on the North Bank. The destination is in a direction of N60E from the starting point. The river is 0.2 km wide. The driver of the boat finds that in

33. ## Science

What were the undiscovered elements of Mendeleev's periodic table?

34. ## science

What other interesting scientific information can you find associated the topic? peniciilin

35. ## Physics

A boat travelling at 30km/hr relative to water is headed away from the bank of a river and downstream. The river is 1/2 km wide and flows at 6km/hr. The boat arrives at the opposite bank in 1.24 min. I calculated the perpendicular component of the boat

36. ## U.S. History

What were the key arguments for and against U.S. imperialism during the Spanish American War??

37. ## Chemistry

I have a few questions, if anyone can help me at all it would be amazing. i need this done by TOMORROW (03/03/2008) 1. Cyanogen has been observed in the atmopshere of Titan, Saturn's largest Moon, and in the gases of the interstellular nebulas. On Earth,

38. ## physics

what colors of ink do color ink -jet printers use to produce a full range of colors? do the colors form by color addition or by color subtraction?

39. ## calculus

A rectangle with its base on the x-axis is to be inscribed under the graph of y=2-x^2. Find the height of the rectangle if the area is the largest possible area.

40. ## AP Chemistry

There are three salts that contain complex ions of chromium and have the molecular formula CrCl3 6H2O. Treating 0.248g of the first salt with a strong dehydrating agent resulted in a mass loss of 0.036g. Treating 248mg of the second salt with the same

41. ## science

a glass is partially filled with water. Five ice cubes are placed in the glass, causing the level of the water to reach the rim of the glass. Which of the following statments best explains the increase in water level? A)The volume of the sumerged ice is

42. ## Physics

A 4.5 g bullet is stopped in a block of wood (m= 5.04 kg). The speed of the bullet-plus-wood combination immediately after the collision is 0.298 m/s. What is the original speed of the bullet? Answer in m/s. I did it like this and got it wrong: mv=MV .298=

43. ## Physics

A boat travelling at 30km/h relative to water is headed away from the bank of a river and downstream. The river is 1/2 km wide and flows at 6km/h. The boat arrives at the opposite bank in 1.25min. Calculate the component of the boat's velocity directed

44. ## Chem

I have a few questions, if anyone can help me at all it would be amazing. i need this done by TOMORROW (03/03/2008) 1. Cyanogen has been observed in the atmopshere of Titan, Saturn's largest Moon, and in the gases of the interstellular nebulas. On Earth,

45. ## home economics

Graphing : Mooville is a small town in texas. assume that beef is a normal good. what happens to the amount of beef dfemanded or supplied in each of the following cases? draw a separate demand and supply curve for each part of this question, label the

46. ## Math

----- If: sin(3pi / 10) = (1 + squareroot 5) / 4 Find the exact value of cos(pi / 5) ----- Thankyou very much. Of course, all help is appreciated.

47. ## calculus

The volume of a right circular cone is given by V=(1/3)[pie]r^2h, where r is the raius and h is the height Find (dV/dt) if r=4,h-5,(dr/dt)=6, and (dh/dt)=-3

48. ## Chemistry

What volume of 0.0500 M Ba(OH)2 will react completely with 27.50 mL of 0.550 M HCl?

I did the math for the previous problem I posted, using this formula: -b+ or - the square root of b^2-4ac/2a. When I did this for -x^2+2x-1, I got 0/-2. I did the math and the x and y intercept came out to be -2 and -2. But when I graphed this on my

50. ## 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

51. ## Physics

A pilot must fly his plane to a town which is 200km from his starting point in a direction 30degrees N of E. He must make the trip in 1/2 h. An 80km/h wind blows in a direction 30degrees E of S. Find the speed of the plane relative to air. I found the

52. ## 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

53. ## health information

which of the following is not a function of the discharge summary?

54. ## Science

How is science related to to the topic? What type of scientist are involved? How do scientist contribute? What other interesting scientific information can you find associated the topic? can u answer these quetion please the topic is about Penicliilins, 3

55. ## Organizational Behavior

How can a person’s perception of others impact an organization’s behavior?

56. ## Algebra II

Write an equation for the parabola with focus (1,3) and vertex (0,3). I cannot find any example in my book that works a problem with the vertex, all of the examples that I have to go by give only the focus and directrix. Thanks.

58. ## biology

What is the effect of enzyme concentration on enzyme activity? Explain how enzyme activity changes as enzyme concentration decreases, and discuss why this occurs (on a molecular level).

I am trying to run the following program and am getting this error: java.util.InputMismatchException import java.io.*; import java.util.*; public class Pre2 { static Scanner console = new Scanner(System.in); public static void main(String[] args)throws

60. ## chemstry

name Fe 2+ according to the stock system

61. ## science

how does one determine the mass and volume of a small but heavy rock? what tools could i use? what would be the units of measure for volume and mass

62. ## calculus

what is the integral of (x^2-x+6)/(x^3-3x)? the process involves partial fractions, and the answer is supposed to include ln and arctan... i just don't know how to get there.

63. ## physics

A car (m = 640.0 kg) accelerates uniformly from rest up an inclined road which rises uniformly, to a height, h = 43.0 m. Find the average power the engine must deliver to reach a speed of 19.9 m/s at the top of the hill in 23.9 s(NEGLECT frictional losses:

64. ## Physics

a 76 kg window cleaner uses a 12 kg ladder that is 5.8 m long. he places one end on the ground 2.8 m from a wall, rests the upper end against a cracked window, and climbs the ladder. he is 2.5 m up along the ladder when the window breaks. neglect friction

65. ## English

For my English class, I had to write an essay comparing two short stories. I wrote it but I am not at all confident with the quality of it. Can I post it here to have it proofread? It's 3 pages double-spaced.

66. ## Pre-Algebra

The ratio of cars to people in Australia is 350 to 1000. Write this ratio as a fraction in simplest form.

67. ## prefix and suffix

I need help finding a suffix word for ier- ne- ious- es- s- uous- I need a prefix word for franco- Can anyone help me

68. ## Algebra II

Write an equation for an ellipse if the endpoints of the major axis are at (1,6) and (1,-6) and the endpoints of the minor axis are at (5,0) and (-3,0). My answer is y^2/36 + (x-1)^2/16 = 1. Is this correct? Thanks.

69. ## MATH-HELP!

The region R, is bounded by the graphs of x = 5/3 y and the curve C given by x = (1+y^2)^(1/2), and the x-axis. a) Set up and evaluate an integral expression with respect to y that gives the area of R. b) Curve C is part of the curve x^2 - y^2 = 1, Show

70. ## Latin

I have to do a presentation on Catullus 45 (with Acme and Septimius and their love). I've decided to do a bubble diagram and a collage but I'm having trouble with the analysis. Please help.

71. ## Algebra II

Simplify: d/d^2-9 + 5/2d+6 I got as far as d/(d+3)(d-3) + 5/2(d+3) but do not know how to further simplify. Thanks for any help given.

72. ## chemistry

I have more more problem i need some help figuring out. I really do not know how to even approach this problem; there is so much information. - A newspaper article about the danger of global warming from the accumulation of greenhouse gases such as carbon

73. ## accounting

At December 31, 2004, Enfron Corporation reported the following data (condensed in millions): Stockholders' equity 11470 Total current liabilities 28406 Long-term liabilities 25627 Investments and other assets 23379 Property, plant, equipment, net 11743

74. ## Physical science

What formula's do I use to solve these problems? A 1.04x10^3 kg car accelerates uniformly from rest to 12 m/s in 2.16 seconds. a) What is the work done on the car in this time interval? Answer in Joules. b) What is the power delivered by the engine in this

75. ## chemistry

how mant electron valences are in CCl4

76. ## math

A STUDENT SAID THAT 3^5 / 9^5 IS THE SAME AS 1/3 . WHAT MISTAKE HAS THE STUDENT MADE ?

77. ## IB Math SL

Find a unit vector which is perpendicular to both of the vectors 4i + 2j - 3k and 2i - 3j + k.

78. ## Physics

When the direction is 30degrees N of E is it E30degreesN?

79. ## accounting

What are "poison pills?" Do they increase or decrease the price of a company's stock? Are poison pills good for the economy?

80. ## Math

The local video store has determined that 65% of the store's customers are women. What is the probability that the next 3 customers will be women? Round to the nearest percent.

81. ## school technology

what are a few examples of Technology use in American Schools from the 1980s to the persent

82. ## Algebra II

Solve: -x^4 + 200 = 102x^2

83. ## calculus

for each series determine if the series is absolutely convergent and convergent the sum from 0 to infinity of (-1)^n/(the square root of (n+1))

84. ## calculus

determine if the series is absolutely convergent and convergent the sum from n=1 to infinity of sin(n^2)/n^2 what series test should I use and how? the ratio test?

85. ## chemistry

Which of the following is a stable ion or are stable ions? Na +1 Ca +2 Z

86. ## Algebra

The width of a rectangle is 1 ft. less than the length. The area is 2ft^2. Find the length and the width.

87. ## Math

If we are given 8sin((pi/6)(x+2))+16=20the answers are -1 and 3 because 1/2 can be pi/6 or 5pi/6. However, if y = 10 *8sin((pi/6)(x+2))=10*, what would be the steps to get the answer 5.616793 (I only found one of the answers, which is 8.3803207).

88. ## Algebra II repost

Solve: -x^4 + 200 = 102x^2 -x^4-102x^2+200=0 (-x^2)^2-102(x^2)+200=0 (x^2-51)(x^2+51)(x-20)(x-10) I'm stuck at this point

89. ## Physics

Can someone explain to me how I'd draw this problem and what the resultant vector should be as well as the placements of the angles if possible? A pilot must fly his plane to a town which is 200km from his starting point in a direction 30degrees N of E. He

90. ## Algebra II

Write y= -4x^2+8x-1 in vertex form. y= (-4x^2+8x+2+16)-1+2+16 y= (-2x+4)^2+17 (answer)

91. ## agriculture science

list some disadvantages of crop-rotation thank you very much.

92. ## pre algebra

Twice a number is 60 times more than 5 times the number. what is the number

93. ## Integrated Science.

List the destructive natures of a cockroach. Describe the life-cycle of a cockroach.

94. ## Computer Achitechture

Scenario: You have been asked to design a new simple CPU for the purpose of controlling home appliances. The CPU will only be used for simple math calculations and will mainly be time sequencing and handling of I/O points for controlling the machines. You

Hi, I am trying to solve graphing quadratic equations. One of the problems is written as -x^2= -2x-1. So if I wanted to put this equation in the proper quadratic equation form, would it be -2x-1-x^2, or -x^2+-2x-1? I'm really not sure.

96. ## math

The region R, is bounded by the graphs of x = 5/3 y and the curve C given by x = (1+y^2)^(1/2), and the x-axis. a) Set up and evaluate an integral expression with respect to y that gives the area of R. b) Curve C is part of the curve x^2 - y^2 = 1, Show

97. ## Accounting

What does the Market Value of a company's stock represent? What does the Book Value of a company stock represent? How is this accounting measurement used? Why is the Market Value of a stock usually greater than the Book Value of a stock?

98. ## Algebra II

Identify the vertex, axis of symmetry, and direction of opening for y=2(x+3)^2-5 y = |2x+3|^2-5 h = 3 k = -5 vertex = (3,-5) axis of symmetry = x = 3 direction = up b/c a = 2 and 2>0

99. ## calculus

determine if the series is absolutely convergent and convergent. the sum from n=0 to infinity of ((-1)^n*e^n)/(n!) I used the ratio test and said that it was absolutely convergent and convergent. is this true?

100. ## calculus

for the series is absolutely convergent and convergent the series from 1 to infinity of (x^3)/(5^x) i did the ration test and get absolutely convergent and convergent is this correct?

101. ## physics

Why dose a white piece of paper appear white in white light,red in red light,blue in blue light and so on for all colors?

102. ## physics

why dose the blood of an injured deep-sea divers look greenish-black in underwater photographs taken with natural light, but red when flashbulbs are used?

103. ## why won't anybody help me

The region R, is bounded by the graphs of x = 5/3 y and the curve C given by x = (1+y^2)^(1/2), and the x-axis. a) Set up and evaluate an integral expression with respect to y that gives the area of R. b) Curve C is part of the curve x^2 - y^2 = 1, Show

104. ## Physics

A block oscillates on a spring and passes its equilibrium position with a speed of .157m/s. It's kinetic energy is zero when the block is at the distance of .1m from equilibrium. Assume no friction between the block and the table. v=.157m/s KE =0J when

105. ## Maths

What is an alternative Axis in a polygram?

106. ## agriculture science

what is livestoch farm? list 10 ways that animals are used for domestic purposes or otherwise. thank-you

107. ## American History

At the time of the ratification of the Constitution, there was a debate over the need for a standing army. Where can I find information about this debate? What were the two sides? Who was on each side?

108. ## math

The region R, is bounded by the graphs of x = 5/3 y and the curve C given by x = (1+y^2)^(1/2), and the x-axis. a) Set up and evaluate an integral expression with respect to y that gives the area of R. b) Curve C is part of the curve x^2 - y^2 = 1, Show

109. ## Algebra II

Find: p(-3) if p(x)= x^5 + 3x^2. -3^5 + 3(-3)^2 -243 + 27 -216 (answer)

110. ## health information

the paper based health record format that organizes all forms in chronological order is know as

111. ## Ap Chem

1) What kind of chemistry makes it possible for DNA of materials being tested to lodge at only one kind of probe molecule? ( this question makes no sence to me please help)

112. ## calculus

for each series determine if the series is absolutely convergent and convergent the sum from 0 to infinity of (-1)^n/(the square root of (n+1)) I did the ratio test and got -1, which is less than 0 making it absolutely convergent, but do i need to take the

113. ## calculus

for the series is absolutely convergent and convergent the series from 1 to infinity of (x^3)/(5^x) i did the ration test and get absolutely convergent and convergent is this correct?

114. ## Chemistry

A catalyst does not change the ______ of the reaction. a. mechanism b. enthalpy c. energy of activation d. rate

115. ## Algebra II

Identify the vertex, axis of symmetry, and direction of opening for y=2(x+3)^2-5. vertex = 1/2 axis = 1/2 direction = up

116. ## Ag Science

I have a HUGE project due for ag. It's on California and Hawaii. There are questions like "how many of miles of hiking trail is in the state?" and "how many big game species are in the state?" I am desperately searching all over google for answers to these

117. ## Physics

A boat travelling at 30km/h relative to water is headed away from the bank of a river and downstream. The river is 1/2 km wide and flows at 6km/h. The boat arrives at the opposite bank in 1.25min. Calculate the component of the boat's velocity directed

118. ## math

How many mls of aminophylline injection containing 250mg/10ml should be used in filling a medication order that calls for 15mg of aminophylline?

119. ## biology

What two classification groups are used in the scientific name?

120. ## English Expression

1. Type more than 4 numbers to have your pass word. 2. Type more than 4 digits to have your pass word. 3. Type more than 4 digit numbers to have your pass word. ------------------------------ Which expression is right? This expression will be used for a

121. ## math

Posted by mota on Saturday, March 1, 2008 at 3:34am. THE MASS OF THE SUN IS ABOUT 10^27 METRIC TONS , OR 10^30 KILOGRAMS . HOW MANY KILOGRAMS ARE IN ONE METRIC TON ? ----------------------------- math - drwls 1000. ----------------------------- explain

122. ## Physics

The applied force of a 2.0-kg object is 8.4 N [E] and the friction is 2.2 N [W]. What is the motion of the object? Can I use the formula Fnet = ma?

123. ## Physics - Quidditch

For the second part: The draw the plane vector which is the same as the desired results. At the end of the plane vector, draw the wind vector. That is where the plane will end up. So, for a 1/2 hour flight: (80 km/h) * (hour/2) at 30 degrees E of S. or

124. ## English

I need to write about how the element of character functions in the story as a whole..

125. ## Ap Chem

1) What kind of chemistry makes it possible for DNA of materials being tested to lodge at only one kind of probe molecule? ( this question makes no sence to me please help)

126. ## physical education

How does exercise schematic diagram of the interchange gases in the body

127. ## algebra

x+1/x=-7/x-12

128. ## calculus

determine if the series is absolutely convergent and convergent. the sum from n=0 to infinity of ((-1)^n*e^n)/(n!) I used the ratio test and said that it was absolutely convergent and convergent. is this true?

aoarmimedcr

130. ## physics

Dose light travel faster through the lower atmosphere or through the upper atmosphere?

131. ## cook

A picture of a yummy food presentation of any sort? can u please help me find some?

132. ## Math-measurement

What is the official name of our system of measurement in America? All I ever hear about is the metric system, but I don't know what ours is called. Thanks

133. ## chem

Which pair begins wtih the larger particle? a)K+, K b)N,N -3 c)Mg+2,Ca+2 d)F-,F e)O-2,S-2

134. ## Ethics

What is the familial convention for Puerto Ricans?

135. ## math

A physician orders 2gms of an antibiotic to be placed in 1000ml of D5W. Using a constituted injection that contains 300mg/2ml, how many mls should be added to the IV solution?

136. ## chem

show charges on each atom in following bonds: Cl-Cl Sr-O H-O Br-I

137. ## Jack

what does it mean when you are reading a given passage and then it asks you "who are the agents of resistance"?

138. ## environmental science

Why does the FEMA (Federal Emergency Management Area) only allow property owners to collect insurance if they rebuild in the same place and same way as before? Thanks!

139. ## english

can you maybe give me a site or something that gives an example of a character sketch.. because i'm not too sure how to write one.

140. ## social studies

what are the minnesota's state legislative jobs?

141. ## algebra

Is it possible to have different quadratic equations with the same solution? Explain.

142. ## science

what scientist are in involved with this topic? Penicillin

143. ## calculus

the sum from n=1 to infinity of sin(n^2)/n^2 I found this converges to pi^2/6, but is it absolutley convergent also?

144. ## science

penicillin How do scientist contribute?

145. ## Science

How much betta flake food do you feed a pet betta? How often?

146. ## math

Find an equation of the line that has a positive slope and is tangent to the circle (x-1)^2 +(y-1)^2=4 at one of its y-intercepts . Write your answer in the form of y=mx+b.

Therefore, the vertex of the problem I previously asked would be 1,0. Is that right?

148. ## science

how d scientst contribute?

149. ## science

how do scientist contribute?