Algebra, help + check please

105,240 results, page 90

Algebra 2

write an equation to solve each problem There is only one freshman in the cast of the high school musical. There are 6 sophomore and 11 juniors. One third of the cast are seniors. How may seniors are in the musical? *Please show me the work on how to do it

English

I need one student to come up here to act out the tree pose. Who can do the tree pose in front of the classmates? OK. Come up here. Be seated on the chair. You should do as you are told. You should folow my directions. Stand up. Raise your right foot and place it against your ...

chemistry

if 37.9 liters of NO at .993atm and 146 degrees celcius are decomposed by the reaction 2NO-->N2+O2 how many grams of nitrogen will be formed... could you show mw step bu step how to do this ? thanks....i have finals tommorrow.... i need HHHHHHEEEEEEELLLLLLPPPPPPPP PV=nRT P=...

Instructional materials:Their preparation and Use

if you could help please do 3. A document camera is more versatile than an opaque projector because you can use it to A. record sound. B. project three-dimensional objects. C. display book pages on a screen. D. view colored items. 4. Which one of the following guidelines ...

Algebra

I'm really stuck on these 2. Can you please explain the work clearly so that I can understand and find the answer easily, if already not given. Need help with these 2 please-- 19. Nancy invests $100 in one account for 10 years at a 9% interest rate compounded annually, and she...

geography

Can you check my answers please? 1. Which continents do not cross the equator? North America, Europe, Australia, and Antarctica 2. What two parallels form the boundaries of the "tropics" or low latitudes? The 23 degree 50 N line and the 23 degree 50 S line 3. Which has sunrise...

English

I forgot to include the following sentences when describing the school day. As I couldn't send you my previous post, I typed "Jane" (to see if something changed.) Can you please check them please? 1) We have lessons (or we go to school) from Mondays to Fridays. 2) We have a 15...

English - check my answer, please.

"Everyone in our neighborhood mows their lawn on Saturday, and my street, as a result of that, is pretty." This construction: has one error, a pronoun with no appropriate antecedent. has two errors, a pronoun with no appropriate antecedent and a shift in tense. *** has one ...

english/punctuation

Add punctuation to the paragraph. You must be kidding, how can I possibly finish all this homework, and still find time to clean up this mess! I never imagined that one puppy could create so many messes in just a few hours! Dind't I lock the gate before I went to school ...

ALGEBRA CHECK ANSWERS

Solve each equation by graphing the related function. If the equation has no real-number solution, write no solution. NOTE: when I write + it has a minus on the bottom too x^2+7=0 a. x= +7 b. x = +3.5 c. x= 0 d. no solution *** 3x^2=0 a. +3 b. +1/3 c. 0 *** d. no solution 1/4x...

Algebra

Use the five steps for problem solving to answer the following question. Please show all of your work. Marissa has budgeted $65 for her monthly cell phone expense. If her plan with her wireless provider is $15 plus $0.25 for each minute, how many minutes can she talk on her ...

Morpheme Practice (Lit)

Hi I'm confused on what is an stem extender and morphemes. Underline any stem extenders in the word below. Philosophy Banana Pheumectomy Anthropology How many morphemes do the following contain? Sown 1 Airsickness 2? Ohio 1 Algebra not sure. expel 1? Congenital 2? Cognate 2? ...

American government

how does the pledge of allegiance to the flag of the united states reflect the concept of natural rights? A. the pledge of allegiance includes the phrase "under god" B. the pledge of allegiance recognizes the united states as a republic C. the pledge of allegiance states that ...

American government

how does the pledge of allegiance to the flag of the united states reflect the concept of natural rights? A. the pledge of allegiance includes the phrase "under god" B. the pledge of allegiance recognizes the united states as a republic C. the pledge of allegiance states that ...

chemistry

thermochemistry chem conceptual. i just want to check my understanding of this Say you got this: 1)A + b=c A=4.0 grams and -91.8kj evolve How do you find change of H ? I guess you convert A to grams and then shove it under the evolved heat ? ie. change of H= -91.8kj/2 mol= 2)...

algebra

Please help, I am confused with this problem. My problem is: Beaver Stadium has a capacity of 1081 more than Michigan Stadium. If the combined capacity for the two stadiums is 213,483, find the capacity of each stadium?

Algebra

How do I find the cost of a cell phone plan if I use 400 day-timme minutes. is it the cost times the minutes plus contracts if any or just cost times the minutes. Please help me!

English

1. We learned how to give first aid to an injured person. 2. We practiced CPR. (Cardiopulmonary Resuscitation) 3. We practiced how to help people in danger. 4. We practiced how to help the handicapped. 5. We practiced how to take care of the sick. 6. We practiced how to save a...

SOCIAL STUDIES PLEASE CHECK ANSER

what connection did the mier y teran report have to do with the law of april 6 1830? A the report shows an excess number of Mexican immigrants which the new law forbid. B the report showed that American settlers weren’t adopting the Mexican culture so the law halted American...

Calculus (please help I really need to check this)

Consider a window the shape of which is a rectangle of height h surmounted a triangle having a height T that is 1.3 times the width w of the rectangle. If the cross-sectional area is A, determine the dimensions of the window which minimize the perimeter. h=______ w=______ What...

ENGLISH 11

1. When Thomas Paine writes about reconciliation, he is referring to (1 point) {A.}the southern Colonies staying peacefully connected to the northern Colonies. B.the Colonies staying peacefully connected with Great Britain. C.the Colonists staying peacefully connected to ...

Algebra 1A Word Problem

Can someone please help me with this Algebra problem. The equation y= -1777x + 27,153 can be used to predict the number of y of gun deaths in the U.S. x years after 2000, that is, x=0 corresponds to 2000, x=2 corresponds to 2002, x-6 corresponds to 2006, and so. Predict the ...

algebra!

If the measure of angle A is doubled and then decreased by 10 while the complement of angle A is decreased by one-third of itself, then these two anlges formed are still complementary. Find the supplement of angle A. Please explain so i could understand. thank you ! Isn't this...

Algebra

The function w(x) = – 0.01x^2 + 0.27x + 8.60 can be used to estimate the number of selfemployed workers in the U.S., in millions, x years after 1980. How many self-employed workers were there in the year 1995? A. 9.8 million B. 10.4 million C. 11.15 million D. 14.9 million I...

algebra 2

please help i have done these problems 3 times now and always get them worng. find the first three terms of (a-b)^6 find the last three terms of (2x+y)^5 find the third fourth and fifth terms of (a+b)^9

Algebra Word Problem

COULD SOMEONE PLEASE HELP ME WITH THIS !!!!!!!!!! The base of a triangle is 3cm greater than the height. The area is 44cm^2. Find the height and length of the base. The height of the triangle is_______ cm The base of the traingle is_______cm

Algebra

Solution A is 30% acid and solution B is 60% acid. How many gallons of each solution must be used to create a 60 gallon mixute that is 50% acid. I have to set this up as a system of equations, and I thought one system was x + y = 60, but I can't get an answer, please help

Agility Training

Please check my answer thanks :) What is a good rule to follow for training a dog in agility jumps? A. Start with low jumps and gradually increase the height to the proper level. B. Begin by conditioning the dog when it's approximately 18 months old. C. Start by having the dog...

English

Could you please check these sentences? Thank you very much. 1) Before he went to Celtic Camp, Johnny did some mock exams as a preparation (to prepare) for his A-level exams. 2) Kane suggests he should copy his essays from the net. Johnny refuses (to follow her advice) though ...

English

I urgently need you to check this. Thank you, Writeacher. 1) Sorry for disturbing you again. Our secretary told me she hasn't received your headmaster's email, yet. 2) Can you please send it again to the following email address.....? We'll be organizing a link to your school ...

English

Listening to the explanations of the sports, let's play the quiz game. You should work in pairs. I will distribute sheets of paper. One should read the explanation of a sport. Then the other should guess what sport it is. Read all the explanations of the sports, and if your ...

To DrBob222

Can you please explain thoroughly to me about all this. Why do we criss cross the formulas of compounds? How do we find out which combining capacity to use if there are more than one? Is there a special formula we use to find out or something? I really do not understand. After...

French- another check-over

A group of friends spent the weekend in Paris. Say where they each went, using the passe compose of aller. 1. Nathalie est allee au Louvre. 2. Eric et Jerome sont alles au Musee d'Orsay. 3. Caroline et Claire sont allees au Centre Ponpidou. 4. Vincent est alle au Quartier ...

Chemistry

X2 + Y2 <=> 2XY 0.50 mole each of X2 and Y2 are placed in a 1.0 litre vessel and allowed to reach equilibrium at a given temperature. The equilibrium concentrations of XY is found to be 0.025 mol/L. What is the equilibrium cosntant for this reaction? Do I just get the ...

algebra can somecheck my answers

please check my answer thank you Write the phrase “the quotient of 3 more than a number, and 3 less than that same number. “ (x+3/(x-3) . It is estimated that the Earth is losing 4000 species of plants and animals every year. If S represents the number of species living ...

new brunswick college

can any body send me information about algerba . i know the principle. when you have the four signes what you do to one side you do the opposite side. want to know some historyso i might understand it better . thank you randy go to gomath information on algebra normally ...

Math SOMEONE PLEASE PLEASE PLEASE HELP

Find sin(θ), cos(θ), tan(θ). Assume a = 40, b = 9, and c = 41. (Do not use mixed numbers in your answers.)

English

Can you please check these sentences? I forgot to include them before. I really need to check them with you. 1) My family and I have been on holiday in (to?) Greece (he has come back from Greece). We stayed on (not in) Mikonos, a little island... 2) There wasn't (any necessary...

culture

Please explain the Sapir-Whorf hypothesis in your own words. What do you think about the hypothesis? Do you accept it or reject it or are you somewhere in between? Can you think of any examples that illustrate how language and culture influence each other? (I think it’s a ...

Science I need a teacher's help

Why are capillaries and not arteries or veins found in the alveoli, nephrons, and villi. A. vessels must be small so that very little blood enters these tissues B. vessels must be narrow so that only very small molecules can reach these tissues C. vessel walls must be thin to ...

math

Please double check In a bottling company, a machine can fill a 2-liter (l) bottle in 0.5 second (s) and move the next bottle into place in 0.1 s. How many 2-l bottles can be filled by the machine in 2 h? Answer: 1.00 or 0.20 A circular coffee table has a diameter of 5 ft. ...

Science PLEASE, PLEASE, PLEASE ANSWER DUE TOMORROW

My body is covered with bony plates, but i am a fish. I am male, but i take care of all my young. i can swim, but i prefer to be carried by ocean currents. i look like a familiar land animal. What am i?

chemistry!

i lost my notes for Stoichiometry and have a final tomorrow. ASAP would be appreciated. im trying to find a site that can help me with balancing word equations calculations:mol,g,liters-gas and determining limiting reagent and % yields. please please please help me.

L.A help please

Please check. 4. Which of the following is one of the most significant events in chapter VIII *Johnny Tremain* A. Merchant Lyte's sickness B. James Otis's speech C. Lavinia asking the soldier to get Dr. Warren for her father*** I chose this one D. Dr. Warren lending his coach ...

English

1. Match subjects and their feelings and make sentences. 2. Match subjects with thier feelings and make sentences. 3. Match each subject with its feeling and make sentences. 4. Make sentences after matching each subject with its feeling. =============== Are they all ...

English

Can you please check if the following sentences are possible, please? Thank you very much. 1) Th scene takes place in a classroom of M'Choakumchild school. 2)It is a whitewashed room, in which the boys and the girls are sitting in two compact bodies divided up in the centre by...

math 12

I know this is alot to ask but could someone please check to see if I did this right and help me with the transformation. I was given this transformation problem. The cross section of the roof of a house is modelled by the function y= -5\12|x-12|+5, where y>0 or y=0. I need...

Social Studies

Please review the question and check my answer below. Thank you tutors. Q: What was the effect of the McKinley on the value of Hawaiian-grown sugar? My answer: Funded the "most favored" status of Hawaiian-grown sugar and rewarding American producers with a 2 cent per pound ...

English

1. She was drying her hair with the hair drier. 2. Dry your body with this big towel. 3. After bath, you need to keep your body dry not to catch a cold. 4. Study hard, and you will get high scores. 5.Practice ping-pong hard, or you will lose the game. 6. Work hard, and you ...

Calculus Help Please!!! Check

If a rock is propelled upward from the surface of Mars at a velocity of 93 m/sec, it reaches a height s = 93t – 1.86t^2 after t sec. a. Find the rock’s velocity and acceleration at time t. v'(t)=93-3.72t a''(t)=-3.73 b. How long does it take the rock to reach its highest ...

Calculus Help Please!!! Check

If a rock is propelled upward from the surface of Mars at a velocity of 93 m/sec, it reaches a height s = 93t – 1.86t^2 after t sec. a. Find the rock’s velocity and acceleration at time t. v'(t)=93-3.72t a''(t)=-3.73 b. How long does it take the rock to reach its highest ...

intermediate algebra

Find the equation of the line that pass through the given point and is perpendicular to the given line. Write in slope intercept form. (0,0), y + 3x = -12 would I subtract 3x from both sides? if so would the slope be -3x? m = 1/3 , (0,0) y-y1, m(x-x1) y-0=1/3(x-0) y-0=1/3 x+0 ...

algebra review

find the y-intercept of a line that passes through (2,1) and has a slope of -5. i forgot what equation i have to use to find this out. can someone give me which equation i have to use? or all the equations that deal with slopes please

algebra 1

please help me solve this problem. The formula R=0.075 + 3.85 can be used to predict the world record in the 1500 meter run, t years after 1930. Determine an inequality that identifies the years in which the world record will be less than 3.7. Solve for t. Thanks

algebra

what is x short leg for right triangle when given long leg b is 1/2x +11 when given hypotenuse c is 2x + 1 i put (-1/2x + 11) +(2x + 1) = x and came out with 20 but that did not work out when squared A + b = C. I estimated x/a = 8, then b = 15 and c = 17 and that works 8^2 + ...

Algebra II

Need help please. Thank you. 1. Determine whether the function has a maximum or minimum. State that value. f(x)= -2x^2-4x 2. Determine what c would in order to complete the square. x^2-5x+c 3. Solve the quadratic by factoring. 3x^2-16x+5=0 4. Solve the quadratic by factoring. ...

Algebra

If p(x) is a polynomial and is divided by (x-k) and a remainder is obtained, then that remainder is p(k). If the quadratic p(x)=x^2-3x+5 gives the same remainder when divided by x+k as it does when divided by x-3k find the value of k, k is not equal to 0. This is the answer ...

Algebra

Confused Please Help! Thanks! Let f(x) = 1 – 3x^2. Which of the following is true? Give a brief explanation. A. f is an odd function B. f is an even function C. f is neither odd nor even D. f is both odd and even

Algebra

Determine if the relationship represented in the table is linear. If it is linear, write an equation. how do you determine if a table is linear here is the table I am looking at.... x 2 5 7 10 12 20 y -3 0 2 5 7 15 please guide me in the right direction...

algebra

simplify the following radical expression: 3 sqrt (-27) a) -3 b) 3 c) 0 d) no solution exists do i write the sqrt like this or do i write like this sqrt () 3 -27 please show me the correct way to write it thanks

Algebra (please help me)

The cost in millions to remove x% of pollution in a lake modeled by C=6000/200-2x. What is the cost to remove 75% of the pollutant? What is the cost to remove 99% of the pollutant? For what value is this equation undefined?

Algebra HELP

Can someone please help me with this Algebra problem. The equation y= -1777x + 27,153 can be used to predict the number of y of gun deaths in the U.S. x years after 2000, that is, x=0 corresponds to 2000, x=2 corresponds to 2002, x-6 corresponds to 2006, and so. Predict the ...

Pre-Algebra

Is this correct? If I'm mistaken, please correct it for me, and show me how. Thanks. [Fractions, Decimals, and Percents.] 33 & 1/3 of $90 = $21.00 100% of 500 = $500 1% of 500 = $5.00 50% of 70 = $35.00 100% of 70 = $70.00 Thanks, you don't have to tell me all of then, just ...

intermediate algebra

joe has a collection of nickles and dimes that is worth $3.95. if the number of dimes was doubled and the number of nickles was increased by 21, the value of the coins would be $8.40. How many nickles and dimes does he have? show all your work. help me please

English

Could you please check these sentences? Thank you. 1) Humanism spread in the whole country. 2) The English Renaissance developed (spread is possible?) later than its European equivalents. 3)Puritans wanted a balance of power between the king and (the?) Parliament. 4) Charles I...

Algebra

Divide using long division: 6x3 + 19x2 + x – 10 divided by 2x -1 Divide using synthetic division: 2x3 + 2x2 + 10 divided by x + 3 PLEASE HELP!

algebra 1

1) Can you write a binomial in standard form with degree of zero? Explain. 2)Canyou write a binomial with a degree of 3? Explain. Can you help me answer this question please.

Algebra ll

Please help!! I do not understand any of this!! Use the remainder theorem to find the remainder when f(x) is divided by x+4. Then use the factor theorem to determine whether x+4 is a factor of f(x). f(x)=4x^6-64x^4+x^2-18

algebra

Please show work* . i don't get how to do this at all only 1/3 of the university students wanted to become teachers . if 2600 didn't want to become teachers, how many university students are there?

algebra 1

tom has read 3/8 of the 480 pages in the book. how many pages are left to read? what is the ratio of pages read to pages not yet read? please help! due tomorrow

algebra 1

can somme one please help me. i need answers for 1.divide (x2-10x+30)divided by (x-5) 2.divide (x3-20x+16)divided by (x-4) 3. divide (-4x3+35x+25)divided by(-2x-5) 4.divide (-7x+x2+15)divided by(-3+x)

Chemistry

DrBob222, I don't know how to solve this problem either. And yes, this is the question for this problem. I even double check it. Please help. Chloroform (CHCL3) has a normal boiling point of 61 'C and an enthalpy of vaporization of 29.24 kJ/mol. What is the value of delta Gvap...

MATH PLEASE

can a reference angle be negative? Tye "reference angle" in google and check out the mathwords site :) no I copied and pasted the mathwords page for you, unfortunatly the diagram that was with it cant, express itself in text so it didn't appear. For any given angle, its ...

Algebra

I have a problem, which requires I solve the following system of linear inequality graphically. my textbook is vague and does not provide online examples or instruction to assist me withinfo to work the problem. Please help? Thank you. 3x - y is lessor than or equal to 6 x is ...

algebra

Suppose that these 15 measurements are respectively labeled x1,x2,..,x15. (Thus,-27 is labeled x1,62 is labeled x2,and so on.) Find. 15 over the sum sign and i=1 under the sum sign(x1 + 43) I ahve no idea how to solve this becaue I never seen this type of math before. Someone ...

algebra

A man invested half of his money at 5%, one-third of his money at 4%, and the rest of his money at 5.5%. If his total investment income was $570, how much had he invested? and please show me the solution to solve this problem. thanx sorry bobpursly I cant understand your ...

college algebra--need help please!!

solve the following exponential equation. use exact answers only. not sure how to put it into the equation but it is 2 then 1-9x where the 1-9x is above the 2=e2x where the 2x is above the 2. Can someone tell me or explain to me how to put this equation the right way here.

Algebra 2

The sum of a few numbers if 30, the first number is 2 less than the second, and the third is 4 less than the first. What are the order of numbers and what are the numbers? This is a post by one of my classmates that I'm supposed to solve. I'm probably doing it wrong, but I can...

English

Nine Haikus During a Drought In the dusty lane A frog waits for a puddle To fall from the sky Which form best describes this poem? A. limerick B. Haiku C. Concrete D. Narrative My choice is B. Haiku What about the poem best supports the answer to the previous question? A. It ...

algebra

Find the two consecutive odd integers such that 5 times the first integer is 12 more than 3 times the second. can some explain to me how to get this i was thinking the formula would be ' 5x+12=3x No, that's not it. The second integer is x+2, since it is "consecutive" and also ...

Algebra

Collect like terms 12p+4q-5p-9q= I dont'know how to collect like terms, please help.

Pre- algebra help please anyone

X to the power of 11 like x11 and x to the power of two like x2 x9/x2 A x11 B x7 C 7 D x5

English

1. At school, I enjoy chatting with my close friends. 2. At school, I enjoy cleaning with other classmates. 3. At school, I enjoy playing soccer in the playground. 4. At school, I enjoy eating cookies at the school shop. 5. At school, I enjoy playing basketball in the gym. 6. ...

pre-algebra

Simplify- 2(x+2y)-y 5a+2b+3b-7a 2(2r-2)-8(2r+2) Here are some rules that might be helpful: http://cstl.syr.edu/FIPSE/Algebra/Unit3/combine.htm I hope this helps. Thanks for asking.

English

Please check my answers! I'm like 92.7% sure there correct but I want to be sure. My answer has the ~~~. Which of the following is the indirect object in the sentence? Lizzie gave Charles a hige birthday gift. A.Lizzie B. Charles~~~ C. Huge D. Gift Which of the following is ...

I need help with my eniglish homework I was absent

I have been absent and I do not get my English homework! ¢¾Sandra Thank you for using the Jiskha Homework Help Forum. That alone does not help us. What sort of work are you doing in your English class? Anytime you are absent your teacher should give you list of what you need...

English

I NEED HELP PLEASE!!! I need a 5 paragrph mini theme on " Pizza Is The Perfect Meal". For each paragrphs I need 2 references. PLEASE, PLEASE, HELP SOON.

english

perseverance,expanse,stifle,weary,writhe,premises 1.In order to meet their goals,Olympic hopefuls require persistence as they train and(perserance) in the face of obstacles. 2.Readers must leave library(expanse)by the stated closing time unless permissions for after hour ...

Please help--algebra!

Here's the question I'm having trouble with. Please walk me completely through the question and give me the answer so I can thoroughly understand it, so I can solve similar problems in the future. #1: Mary uses a secret code to write messages. First, she translates each letter...

social studies

Please check: 1. North Korea became a communist country by following the example set by Cuba (FALSE) 2. Congress set up a NASA in response to the Soviet blockade of Berlin (FALSE) 3. President Johnson tried to stop China from becoming a communist country. (FALSE) 4. The United...

French: TO MS SUE OR ANY FRENCH HELPER

Please check & correct my mistakes: In English: One day sarah went shopping. Then she walked to her house Unfortunately it started to rain Fortunately sarah had a jacket All of a sudden sarah fell down Finally sarah arrived at her house In French: Un jour sarah fait du ...

physical science

Please check my answers on this physical science quiz, thanks 1. in which of the following scenarios are action and reaction forces involved? a. when a tennis racket hits a ball b. when you step from a curb c. when you row a boat d. all of the above** 2. the product of an ...

Economy

The Good’n’Fresh Grocery Store has two checkout lanes and four employees. Employees are equally skilled, and all are able to either operate a register (checkers) or bag groceries (baggers). The store owner assigns one checker and one bagger to each lane. A lane with a ...

Physics Problems

Will check my work and help me with the last two problems please? A 4 kg ball has a momentum of 12 kg m/s. What is the ball's speed? -(12 kg/m/s) / 4kg=3m/s A ball is moving at 4 m/s and has a momentum of 48 kg m/s. What is the ball's mass? -(48kg/m/s) / (4m/s) =12 kg A 1-kg ...

Decartes Rule

Can you please check my work? Use Decartes Rule of signs to determine the possible number of postive and negative real zeros for the given function. 1. f(x)=-7x^9+x^5-x^2+6 This is what I did: There are 2 sign changes f(-x)=-7(-x)^9+(-x)^5-(-x)^2+6 There are 2 sign changes So...

Algebra 2

Approximate to the nearest tenth the positive real zeroes of f(x)=x^2+1. I got .6 Solve over the set of complex numbers. x^4-13x^2+36=0 i got -3,-2,2,3 but i don't know if i even did it right. Solve x^2+4x9=0 by completing the square. I don't even know where to begin on this ...

Algebra

I don't quite understand how to solve matrices with three variables. If I have the equations: 7x-4y-2z=0 2x-3y+z=-0.25 -2x-2y+5z=0 How can I solve this? I saw the explanation in a site but I didn't understand it. They appeared to make random operations until the matrix was: 1 ...

College Algebra and Trigonometry

A weight is attached to an elastic spring that is suspended from a ceiling. If the weight s pulled 1 inch below its rest position and released its displacement in inches after t seconds is given by x(t)=(5pt+p/3. Find the first two times for which the displacement s 1.5 inches...

Algebra

The selling prices of houses in a city during one year were normally ditributed with a mean of $259,000 and a standard deviation of $15,000. Which of the following is closest to the percentage of the homes that had a selling Price between $244,000 and $289,000? a. 81.8% b. 47....

Spanish-8th grade

Please check 1. ¿Dónde estuvo tu mama ayer? Mi Mama estuvo en la tienda. 2. ¿Tocaste un instrumento la semana pasada? Sí, yo toqué un instrumento la semana pasada. 3. ¿Adonde fuiste el lunes pasado? Yo fui a la escuela el lunes pasado? 4. ¿Cómo estuviste ayer? Yo ...

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