# Questions Asked onAugust 31, 2016

1. ## Math

A model car has a scale factor of 1/64 The diameter of a tire on the model is 0.42 inches the diameter of the tire on an actual car must be _ inches

2. ## Math

Two cars start at the same time from two places 330 km. apart and travel toward each other.Car A travels at 50 kph and Car B at 45 kph. If Car A rests for one hour on the way, in how many hours after they left will they meet?

Which of the following is the most appropriate unit to describe the rate at which data is transferred using the internet? A. Megabits per second, because the independent quantity is time in seconds and dependent quantity is amount of data in megabits B.

4. ## algebra

for what value of x is the rational expression below equal to zero? 2-x/2+x

5. ## Math

Insert +, -, x, or + symbols to make each statement true 17?2?3?8=3 33?3?2?5=1

6. ## math

A rectangle is removed from a right triangle to create the shaded region shown below. Find the area of the shaded region. Be sure to include the correct unit in your answer.

7. ## Algebra 1

It took Everly 55 minutes to run a 10-kilometer race last weekend. If you know that 1 kilometer equals 0.621 mile, how many minutes did it take Everly to run 1 mile during the race? Round your answer to the nearest hundredth. 3.41 minutes 5.50 minutes 6.21

8. ## geometry

The perimeter of triangle ABC is 13 cm. It was dilated to create triangle A'B'C' The perimeter of triangle...is cm

9. ## percentage

Australia scored a total of X runs in 50 overs. India tied the scores in 20% less overs. If India's average run rate had been 33.33% higher the scores would have been tied 10 overs earlier. Find how many runs were scored by Australia?

10. ## Algebra

Classify the square root of 17 by the subsets of the real numbers to which it belongs select all that apply. Whole rational real natural integer irrational

11. ## Math

A minor league baseball team plays 78 games in a season. If the team won 15 more than twice as many games as they​ lost, how many wins and losses did the team​ have?

12. ## Technology

How mis typing speed measured? In characters per second In characters per minute In words per minute •• In words per second What is special about F and J keys on a standard keyboard? They have bumps They are in the exact center of the keyboard ••

13. ## math

An ant starts at position (0, 0) and walks north, east, south or west, one unit at a time. How many di erent paths of length 8 units finish at (0, 0)?

14. ## Pre-calculus

Find the equation of the locus of the point which moves so that its distance from the point (2,0) is 2/3 its distance from the line y=5.

15. ## algebra

A tropical species of mite named Archegozetes longisetosus is the record holder for the strongest insect in the world. It can lift up to 1.182 x 10^3 times its own weight. a) If you were as strong as this insect,explain how you could find how many pounds

16. ## damon can you help with this?

I posted this question earlier but had a typo, can you take another look? { 1/3x + 3/4 y - 2/3 z = -8 x + 1/2 y - 1/3z = 18 1/6 x - 1/8 y - z = -24 a. (-6, 8, -24) b. (-6, -8, -24) c. (0, 8, -24) d. (6, 8, 24) e. (6, -8, 24)

17. ## Math

A farmer uses 11/18 of his field to grow rice and 3/7 of remaning field for growing tomatoes of the area thus left he uses 1/4 of his to grow spanich and the rest to grow sweet potatoes What fraction of field is used to grow sweet potatoes??

18. ## english

two of the following proverbs have similar meaning which ones are they 1.Those that dance must play the music 2. The tongue is the enemy of the neck 3.A golden hammer breaks an iron door 4.who pays the piper calls the tune 5. A barking dog never bites

19. ## Science

A student measures the mass of a paper clip. The student’s data table is shown below. The accepted value for the paper clip’s mass is 1.14 g. Trial 1 - 2.45 g Trial 2 - 2.40 g Trial 3 - 2.42 g Which of the following describes the student’s

20. ## math

the temperature in Alaska dropped by -5.7 degrees every hour for 3.5 hours.if the temperature started at 23 degrees f,what temperature was it at the end of the 3.5 hours?

21. ## Finance

Audrey Sanborn has just arranged to purchase a \$550,000 vacation home in the Bahamas with a 20 percent down payment. The mortgage has a 6.1 percent stated annual interest rate, compounded monthly, and calls for equal monthly payments over the next 30

22. ## Algebra help

Which of the following best defines the quantities that should be measured to find Andy's driving speed? The quantity of time measured in hours depends on the quantity of distance measures in miles.*** The quantity of distance measures in miles depends on

23. ## English 1 part 1

Essays, articles, and speeches are all works of nonfiction. Which of the following is an accurate statement about the authors of nonfiction?

24. ## Social Studies Help ASAP

Why did the British want to expand control into the Ohio Valley in the mid-1700s? a. to force the French out of North America b. to put French settlers there under English rule c. to demonstrate Britain’s strength to France and Spain d. to gain access to

25. ## Math

Jim pays \$75 per month for a cell phone plan plus \$0.30 per minute be on the first thousand minutes write an equation for the cause (y) based on the number of minutes(x)after the first 1000 I have become very confused.

26. ## percentage

Australia scored a total of X runs in 50 overs. India tied the scores in 20% less overs. If India's average run rate had been 33.33% higher the scores would have been tied 10 overs earlier. Find how many runs were scored by Australia?

27. ## Math

A standard football field is 100 yards long and 53 1/3 yards wide. A quarterback is standing on the 25 yard line, 25 yards from the left sideline, throws the ball to a receiver who is on the 35 yard line, 5 yards from the right sideline, as shown in the

28. ## Biology

A biology student is studying ways to grow crops in soils that are high in salts and other dissolved solids. To determine whether corn plants can tolerate salty soil conditions, she grows one corn plant in typical non-salty soil and one corn plant in the

29. ## Boop

mo bisects angle lmn,m angle lmn = 6x-20, m angle lmo= x+32 find m angle nmo but how if i don't know what lmn is

30. ## One more Social Studies Help

Why did the British feel justified imposing the Stamp Act on the colonists? Select two. a. Similar stamp taxes were already used in England and Europe. b. The taxes protected colonists from Native Americans. *** c. Britain had spent money protecting

31. ## Math

Several students were surveyed about their favorite class. 26 students chose art 19 English 21 math 16 music 32 science. What fraction of the of the students chose music as their favorite subject.

32. ## Physics

Write 2.38x10 to the 6th power in standard notation

33. ## English

1. Some students posted a lot of unkind comments, making fun of my pose. 2. Some students posted a lot of unkind comments while they made fun of my pose. 3. Some students posted a lot of unkind comments while they were making fun of my pose. 4. Some

34. ## Art

1 which word means to influence someone in a positive and existing manner? Heritage Express Innovate Inspire•• 2 Which of the following best describes artists inspiration? Generally artists only gain inspiration from their personal experiences Artists

35. ## maths

Simon swims 6 lengths of a swimming pool per day for x days . jade swim 5 more lengths per day than Simon for y days . if jade Swam for 6 days and the total lengths swam is 114, how many days did Simon swim for ?

36. ## math

find the triple scalar product u . (v * w) for the vectors u = 9i - 7j - 3k v = -6i + j - 5k w = 2i + 8j - 9k a. -877 b. -299 c. -19 d. 0 e. 899

37. ## Forensics

Strontium-90 is a radioactive waste product from nuclear reactors. It has a half life of 29 years. How many years would it take for a quantity of strontium-90 to decay 1/16 of its original mass?

38. ## Chem2

The vapor pressure of water (at 50.0 o C) is lowered by 17.0 torr when 36.1 g of an unknown non-electrolyte is added to 65.56 g water. Determine the molecular weight of the unknown. Density solution = 1.05 g/mL Vapor pressure H2O @ 50oC = 92.5 torr

39. ## AP Psychology

Jay Weiss, a psychologist, used electric shock on rats in a control group and rats in an experimental group. One group; however, was given a piece of wood to chew on. They had fewer ulcers (open sores or lesions in stomach lining). What is the independent

40. ## Social Studies

What was a primary challenge faced by the Jamestown colonists during the first few years? a.They chose an unsecure location b.They lacked knowlede c.They faced fierce trading competition from the French and Dutch. d.All of the crops they grew had to be

41. ## math

two students are picked at random from a group of 8 girls and 6 boys,calculate the probability that the two picked atleast one is a boy.

if m

43. ## Algebra 1

1.Simplify the expression: 6(-5n+7) 2. Simplify the expression:-3(4a-5b) I'm not sure how to solve these if someone can please help me step by step I would appreciate it. Thank you

44. ## math

pls answer 5 2/6 ecreased by 1/4

45. ## Math

A brand of chips has 30% of the calories of the regular brand. If the diet brand has 90 calories, how many does the regular brand have?

46. ## math

mr sato will give each pair of students 3 magnets. So far Mr sato has given 9 pairs of students their 3 magnets..How many more magnets does Mr Sato need so that each pair of students has exactly 3 magnets.There are 24 students in a science class.

47. ## math

Subtract 9 1/4 from 15 2/6 pls anwswer this

48. ## Science

a body of mass 500g moving at 5m/s comes to rest after covering a distance of 5m.find the retarding force acting on it.

49. ## linear algebra

A signal lac has six flags of which 1is blue ,two z white,3 ar red.it sends messages hostin flags in a flagpole.d messages ar being conveyed by d order in which d colours ar arranged find hw many mesaages it can send.......a.using exactly six flags,b.using

50. ## math

3.96 x 10^2/ 1.5 x 10^6

51. ## science

I believe that our solar system formed by the same process as star formation. A huge cloud of dust and gas collapsed and condensed. Gravity pulled matter into the center core, nuclear fusion began, and our Sun was created. Remaining matter and gas clumped

52. ## biology

explain the following statement: "life is complex on the molecular level"

53. ## AP Psychology

Jay Weiss, a psychologist, used electric shock on rats in a control group and rats in an experimental group. One group; however, was given a piece of wood to chew on. They had fewer ulcers (open sores or lesions in stomach lining). What is the independent

54. ## science

Using an example, explain how being able to understand scientific principles and think scientifically can help you solve problems and answer questions in your everyday life

55. ## Algebra 1

Simplify the expression: 15-3[2+6(-3)] I need a summer help on how to figure this out please. Thank you

56. ## science

Equations to show how the ff form complexes A. Fe^2+ and H2O B. Cr^3+ and NH3 C. Fe^3+ and CN^-

57. ## Examples

Beta 1.2, risk free rate 5%, market risk primum 6%. What is common stock

58. ## Science

Give an example of population.

59. ## Math

What are two pairs of numbers of 105 as their least common factor ?

60. ## speed

If I am doing 96 klms how long will it take me to go 10000 klms

61. ## Science

Is the inventory of time machine related to black hole

62. ## Math

7.6×10^6 in standard. Form

63. ## algebra

Find an algebraic expression for the number of millimetres in L centimeters

64. ## Math

12/4 what's the ratio

65. ## Math

A taxi charges \$.75 for the first quarter mile and \$.35 for each additional mile. How far did Freddie ride if he paid no more than \$7.40 for his taxi?

66. ## Math

formulas for the number of gram G in K kilogram.

67. ## algebra

Find for the an algebraic expression for the number of hours in S seconds.

68. ## Algebra

Eliminate the complex fractions (5/8)/(-2/3) (x^-1+y^-1)/(x+y) (1/x+1/y)/(x+y) (xy/xy/) I was trying to find the lcd for the first one but couldn't figure it out. For the second one, I got to as far as getting the reciprocal of the numerator and then

69. ## homework help: social studies

Why were colonial minutemen so prepared for the arrival of the British in Concord? (Worth 2 points) When Washington saw the British, he fired three cannon shots sending a warning sign Paul Revere had warned villages that the redcoats were coming The Green

70. ## algebra

Find the inverses 1) y=9/x x=9/y xy=9 y=9/x Which is wrong I believe 2) y=(2x+1)/(3-2x) How do I get rid of the ys after I replace the xs with them?

71. ## Algebra

Solving fractional equations 1) (1/x-3)+(1/x+3)=(10/x^2-9) 2) (5/2x)-(5/3(x+5)=(5/x) 3) (2x-1/x-1)-(3x/2x+1)=(x^2+11/2x^2-x-1) I just have a problem knowing what the lcd is. For the first one, i know I had to m,multiply the left side by x-3 and x+3, but it

72. ## Math

the sum of the reciprocals of two consecutive positive numbers is 17/12 . Find the numbers

73. ## Pre-Calulus

for a person who drives his car 15000 miles a year trading in a car that gets 15 miles per gallon for a car that gets 18 miles per gallon (a 20% increase) will save them how many gallons of gas each year?

74. ## Math

The balance listed on Kim's bank statement was \$65 in April. In May, her balance was \$-12. What equation represents the difference in her account balances from April to May? 1. 65 - 12 = 53 2. 65 - (-12) = 77 3. -65 - (-12) = -53 4. -65 + -12 = -77

75. ## math

At a halftime show marching band in formation. the lead drummer started at a point with coordinates (-2, -5) and moved 3 steps up and 1 step right. A. Write a rule to describe the translation. B. What are the corrdiates of the drummer's final position? A.

76. ## math work

find the minors and cofactors of the matrix [ -3 2 -8 ] 3 -2 6 -1 3 -6

77. ## Math

Assuming there are 4 weeks in a month, how many months are there in d days?

78. ## math work

determine whether the planes are parallel, octagonal or neither a. 4x + 5y + z = -1 3x + 5y - 37z = -3 b. 2x - y - 3z = -5 -2x - 6y - z = 3

79. ## Algebra 2

can you help me understand? How do you find domain and range for y-mx+b? thank you.

80. ## Confidentiality and Allied Health

When should information be entered into a medical record? A at the time the event occurs b at the time set aside at the end of the shift c while the physician is making rounds d when the patient is discharged from the hospital I think its a

81. ## Algebra

Can you explain to me what is a set notation, interval notation, and inequality notation? thank you

82. ## Math

Several students were surveyed about their favorite class. 26 students chose art 19 English 21 math 16 music 32 science. What fraction of the of the students chose music as their favorite subject.

83. ## math work

find the triple scalar product u . (v * w) for the vectors u = 9i - 7j - 3k v = -6i + j - 5k w = 2i + 8j - 9k

84. ## PHYSICS CLASS 9

A car moves at a speed of 40km/h, It is stopped by applying brakes which produces a uniformacceleration of -0.6m/s2. How much distance will the vehicle move before coming to stop?

85. ## Science

what are some barriers to solve the zika virus problem? What are some possible solutions for zika virus problem? According to the off the podium article about zika virus. tnx a lot .

86. ## Algebra

A train leaves the station at 8 a.m. and averages 40 miles per hour another train leaves the same station one hour later and averages 50 miles per hour traveling in the same direction on a parallel track at what time will the second train catch up with the

87. ## Algebra

A train leaves the station at 8 a.m. and averages 40 miles per hour another train leaves the same station one hour later and averages 50 miles per hour traveling in the same direction on a parallel track at what time will the second train catch up with the

88. ## math work

evaluate the expression ( 94 93) please help with this! I don't know what to do! ps there is a big bracket that is around the 94 and the 93, i just couldn't enter that into the box.

89. ## calculus

find lim 1-2x / 1+6x x -> infinity find lim [ x / ((3+x)^2) -5] x -> infinity

90. ## math

How many centimetres in X metres Y cm?

91. ## math

Expand (1+x+x^2)^3

92. ## Math

Write an expression for the number of years in t months.

93. ## Math

Find three consecutive even integers such that the sum of the smallest integer and twice the median integer is 20 more than the largest integer.

94. ## Math

construct a formula for the number, T, of days in X weeks and Y days.

95. ## said

it was found that in an experiment tthat a gas c diffuses 8.76¡Á10^-1 times faster than nitrogen gas calculate the molecular mass of gas c (n=14)

96. ## chemistry

it was found that in an experiment tthat a gas c diffuses 8.76¡Á10^-1 times faster than nitrogen gas calculate the molecular mass of gas c (n=14)

97. ## math

Alex deposits \$250 at the end of each month into an account that earns 4% interest compounded monthly. Determine the value of Alex’s account after 10 years. State you answer to the nearest \$1

98. ## Math

A petrol tank that is 3/4 full holds Y litres. How many litres can the tank hold when full?

99. ## physics

The periodic time of simple pendulum varies directly as the mass(m) of a Bob, length (l) of the place where the pendulum is suspended. determine the expression of periodic time(t)

Evaluate the following expression given the function. function: h(x)=12/x problem: h(x) = -2 solution: -2 = 12/x. 1/12 * -2 = 12/x *1/12 (mulitply both sides by 1/12 to get x by itself. -2/12 = 1/x -1/6 = 1/x (simplified -2/12) I don't think this is right.

101. ## Maths

if base and corresponding altitude of a triangle is 11/2 and 7/3.find the area of the triangle.

102. ## math

A bank offers 5% compounded weekly. How much should be deposited now in order to have \$3,000 in four years?State your answer to the nearest \$1

103. ## Biology Vocab

This is the degree at which a test measures what it is intended to measure. It a Vocab word but im not sure which one. Please help ASAP

104. ## science

what functions do individual cells perform that are similar to the functions of our bodies?

105. ## math

car A travels 135 miles with 6 gallons car B travels 285 with 15 gallons which car has a better mileage

106. ## algebriac expression

Stephanie has d dollars to invest and splits the money between two accounts. If she invests \$ 3100 in one​ account, write an algebraic expression in terms of d for the amount she invests in the second account.

107. ## Chemistry

Which of the following is true concerning the reaction below? H2S + HNO3 → S + NO + H2O A. S is reduced. B. H is oxidized. C. N is reduced. D. O is oxidized. ***

108. ## Algebra

Find the value of unknown number in proportion m/2=3/4

109. ## physic

the light from a helium neon laser has a wavelength of 632 nanometers in air. the same light has a wavelength of 479.2 in glass. the frequency of the light is the same in air and glass. find the speed of the laser light in glass.

110. ## Precalculus

You are given the dollar value of a product in 2013 and the rate at which the value of the product is expected to change during the next 5 years. Use this information to write a linear equation that gives the dollar value V of the product in terms of the

111. ## math

A and B play card on stake. A gains from B 1/4 of the latter's money. B gains from A 1/3 of A's original money. Each has now rs 400. How much money did each have before playing the game? Well I tried this question a lot and have no clue how to do it I made

112. ## math

The total price of a mobile and a watch is rs8000. If 10% discount and 10% VAT IS imposed on both, their selling price becomes rs7920, find the marked price of mobile and watch separately. Well I did this question and every time I get to a point where the

113. ## MATH

If 1 CM = 48 INCHES, how many CM (or MM) would 80 INCHES be?

x^y+y^x=1

115. ## math

How to Arrange multiplication and division symbol as you wish between number 1 to 9 to get a result of 1.

116. ## social studies

A Patriot in North America in the 1770s would have MOST LIKELY supported which of these? A) boycotting British-made goods B) supporting the "Coercive Acts" C) remaining a part of Great Britain D) becoming a member of the "red coats"

117. ## Math

How would you describe this representation? ****** ****** ******

118. ## Algebra 2

A farmer wants to set up a pigpen using 40 feet of fence to enclose a rectangular area of 51 square feet. Find the dimensions of the pigpen.

119. ## Biology Vocab

This is an error in measurement that can be caused by an imperfection in the equipment being used or from mistakes the experimenter makes while taking the measurement.

120. ## English

1. A few day ago, I went to the zoo with Chanmi and Mina. ------------------------------- Why is 'the' used before 'zoo' in this sentence? Does 'the zoo' mean the specific zoo which both girls know? Or is zoo' in generic use?

121. ## English

1. Have you checked out our school website lately? 2. Have you lately checked out our school website? (What is the suitable position of the adverb 'lately'?) 3. Is there something that/which I should see? (Do you prefer 'which' to 'that' in this sentence?)

122. ## maths

find the distance between the point and the plane (2, 5, 3) 3x + 2y - 3z = -6

123. ## AP Biology

I have the compound C30H62, the candle The question is: When a candle is burned, 150.0 liters of O2 (g) is used up. How many grams of oxygen react?

124. ## math homework

solve the system of equations algebraically for x and y { x^2 + y^2 = 26 x + y = 6 a. (1,5) (1,4) b. (4,5) (5,4) c. (5,1) (5,1) d. (1,5) (5,1) e. no solution

125. ## maths

evaluate the expression (94) (93) a. 94 b. 93 c. 1 d. 88 e. -5

126. ## Math problem soving

Ok if someone can help me understand I greatly appreciated. I want to know how this is the answer. I got it wrong in my exam. The teacher explained it to me but I still don't get it. On July 5,in the area around center village,there was great excitement.

127. ## math

solve the system of equations for x and y { x^2 - 11x -y =-24 x^2 - 11x + y = -24

128. ## Math

How many diagonals can be drawn from one vertex of a 12 sided polygon. ****WORK NEEDED TO BE SHOWN****

129. ## Real Estate Law

______ is an agreement to the terms of an offer, creating a binding contract. a. Acceptance b. Escrow c. Legal Capacity D. Equitable title

130. ## math homework

use the limit process to find the slope of the graph of 'square root' x+8 at (8,4) a. 4 b. 1/4 c. the slope is undefined at this point d. 1/8 e. infinity

131. ## Science

Can someone explain to me, what exactly scientific principles are?

132. ## Mathematics

The opposite of -4 is 4.•• -4. -(-(-4)). -|4|. The opposite of -10 is -(-(-10)). -10. 10.•• -|10|.

use the derivative of f(x)=2x^3 + 6x to determine any points on the graph of f(x) at which the tangent line is horizontal a. (1,8) and (-1,-8) b. f(x) has no points with a horizontal tangent line c. (2,28) and (-2,28) d. (1,8) e. (0,0)

134. ## math

find the general form of the equation of the plane passing through the point and perpendicular to the specified vector. (8, 6, 3) n =i-6j + k a. x - 6y + z - 25 = 0 b. x - 6y + z + 25 = 0 c. x - 6y + z = 0 d. 8x + 6y + 3z - 25 = 0 e. 8x + 6y + 3z + 25 = 0

135. ## Math

What makes -5 ? -8 a true statement >

136. ## maths

there are 12 questions on a paper, 80% pass rate, didn't have time to do last 3 questions will I pass if the ones I did do are correct

137. ## Geometry

Find the equation of the circle which is concentric with the circle x^2+y^2+3y-8y+16=0 and tangent to the line 4x+3y-12=0. Show your solution.

138. ## medical terminology

The plural form of the medical term phalanx _____ i think its -x but that's the singular ending it doesn't give the plural form Im confused, help please?

139. ## math

subtract the following rename if necessary.7 1/2-5 3/4=

140. ## Math

Ivana's printer prints 40 pages in 5 minutes. How many pages will the printer print in 8 minutes?

141. ## english

These sentences are from my test in which I answered these sentences incorrectly. So please suggest the right answers to them. 1)Ram said to me,"I go to school daily."(change to indirect speech) 2)He wrote me a letter.(change to passive voice) 3)Who built

142. ## s.s

in "raymond's run," which detail supports the prediction that squeaky will not let gretchen win the race

143. ## ENGLISH 1501

Identify the main sound device employed by the poet, and discuss the effect it has by referring to 3 examples from the poem. Small Passing - Ingrid de Kok. Please tell me someone can help?

144. ## Math

The chef has 25 pounds of strip loin. The trim loss on the strip loin is 35% and the cooking loss is 80% of the trimmed weight. How many pounds of trimmed, cooked strip loin will the chef have left to serve to his customers?

145. ## Math

2 people 400 miles apart They both leave at the same time One drives 50 mph The other drives 100 mph How long till they meet?

146. ## ART

This art piece was created primarily to? Express political views by representing historic figures in a political setting. Create a utilitarian tool for instruction on anatomy. Express moods and feelings through use of color. Record cultural and historic

147. ## math

Prime factorization of 88 with division and factor tree method. I am not able to do this question.

148. ## Math

In a coordinate plane points (2,4) and (3, -1) are on a line.Which of the following must be true? A.)The two are intersecting B.)They are all above the x axis

( 2h^5p^8)^4

150. ## Physics

A small car has a mass of 300 kg and it is brought to rest in 4 seconds from a speed of 20 metres per second.If there is no resistance to motion,find the force exerted by the brakes

151. ## Social studies

1. what was the main reason most early settlers gradually spread across the americans? They were constantly under attack from neighbors tribes They often relocated to find more favorable farming conditions They traveled far and wide to trade their goods

152. ## Physics

How much work is required to lift a bag of wheat (mass 50kg) to a height of 2.4m?

153. ## Art

Creativity has allowed or innovation for many industries. How has creativity affected the energy industry? It has allowed for the same traditional energy sources to continue being used for generations. It has allowed for new energy source to be discovered

154. ## Biology

Explain the following statement: "life is complex on a molecular level. How is your environment different from the biosphere?

155. ## Social studies

what was the town common in new england but not in other colonies? Dame schools Apprenticeships Private schools•• Free public schools

156. ## math

subtract 4 2/3 - 3 2/5 ?

157. ## Math

How can you use the doubling strategy for 7x3