Saturday

July 2, 2016
**Language arts, please help!**

A Surprising Point of View: A Television Play in Two Acts Characters: (in order of appearance) 1. JASON: a boy of about 14. He is a student in Ms. Smith’s English class. He regularly misbehaves in order to get attention, and he doesn’t apply himself to his schoolwork...
*Tuesday, May 3, 2016 by Chloe*

**Math**

There is a school of 1,200 pupils. 3/5 of them are girls. A. What fractions are boys? B. How many pupils are girls? C. How many pupils are boys? I have no idea how to solve this. If someone could give me a method it would be really helpful
*Tuesday, May 3, 2016 by Anonymous *

**Language arts, huge favor**

A Surprising Point of View: A Television Play in Two Acts Characters: (in order of appearance) 1. JASON: a boy of about 14. He is a student in Ms. Smith’s English class. He regularly misbehaves in order to get attention, and he doesn’t apply himself to his schoolwork...
*Tuesday, May 3, 2016 by Chloe*

**Osizweni High School. doing Maths and science**

In the case of considering the effect of intermolecular forces(IMF) on liquids. What is the difference between monograde and multigrade oil?
*Tuesday, May 3, 2016 by Zinhle ngwenya*

**life orientation**

1.a right to life 2.a right to access education 3.a right to be heard I chosen them because they are likely to happen in our community.and so far those rights are violated but it seems like nobody takes them to consideration. children quit school everyday,regarding to certain ...
*Tuesday, May 3, 2016 by Anonymous*

**Math Please Help **

The graph above shows the number of students receiving A's in each grade at Bridgeport Middle School. Which statement is true? A: The scale on the first graph does not distort the lengths of the bars. B: The second graph shows greater changes in the number of A's than ...
*Tuesday, May 3, 2016 by #Blessed*

**milam middle school**

A drawer contains a blue shirt, a black shirt, and a white shirt. Another drawer contains a blue pair of pants and a black pair of pants. one shirt and one pair of pants are chosen at random. How many different possible outcomes are there?
*Monday, May 2, 2016 by Anonymous*

**math**

A high-speed elevator can rise 480 feet in 30 seconds. Which expression represents the rate, in feet per minute, of the elevator how do i get the answer
*Monday, May 2, 2016 by may*

**math**

A high-speed elevator can rise 480 feet in 30 seconds. Which expression represents the rate, in feet per minute, of the elevator?
*Monday, May 2, 2016 by may*

**12 english **

Michael Jordan, retired from the Chicago Bulls, is considered one of the greatest basketball players in history. Because he could jump so high and could consistently score points in the double digits per game.
*Monday, May 2, 2016 by sergio *

**Science**

which two conditions are required for cloud formation? A) high humidity and warm temperatures. B) high humidity and cool temperatures. C) warm temperatures and the presence of particles. D) cool temperatures and the presence of particles. Is there a link I can find that ...
*Monday, May 2, 2016 by Tim*

**English**

Wulliam became famous and had a chance to study in high school again. ------------------------- In this sentence, what is the role of "to....." in "a chance to..."? I mean the relationship between 'a chance' and "the to infinitive." Are ...
*Monday, May 2, 2016 by rfvv*

**pre-cal**

a page that x inches wide & y inches high contains 26 square inches of print. the margins on the top & bottom are 1.5 inches deep and the margins in the sides are 1 inches wide. a. sketch the situation above b. find the total area of the page c. find the domain based on the ...
*Monday, May 2, 2016 by Anonymous*

**Geometry (answer please)**

1. A vertical pole 24ft. high is to be braced securely by four wires attached 8ft. from the top. If the wires are fastened to stake in the level ground at the vertices of square with its center at the foot of the pole and sides 20ft. What should be the length of each wire? 2. ...
*Monday, May 2, 2016 by Nanny*

**English**

"High Court" is "Supreme Court in the USA, right? In the UK, it is different?
*Sunday, May 1, 2016 by rfvv*

**Trig**

Problem: A cable from the top of a 60 foot high tower is to be attached to the ground (x) feet from the base of the tower. A) if the cable makes an angle of t radians with the ground when attached, express t as a function of x. B) if t = pi/5, how far is the end of the cable ...
*Sunday, May 1, 2016 by Chris*

**Chemistry- polarity**

Is 2,4-Hexadiyne-1,6-diol a polar or non-polar compound? I think it is non-polar, based on the the high retention factor (0.89) I got from the TLC.
*Sunday, May 1, 2016 by Sally*

**Bio**

Does diffusion and osmosis move from high to low concentration?
*Sunday, May 1, 2016 by Anonymous*

**math-middle school**

Kendra says that she can draw ,A and <B so that m<A is 119 degrees and <A and <B are complementary angles. Do you agree or disagree. explain. I would disagree since complementary angles equal 90 degrees.
*Sunday, May 1, 2016 by Anice*

**Geometry ( helllppp pleaaassse )**

A point on the ceiling of a room is 12ft. from each of the vertices of a triangle on the floor whose legs are 6ft. A and 8ft. respectively. find the length of the ceiling. 2. With a 12ft. pole marked in feet, how can one determine the foot of the perpendicular let fall to the...
*Sunday, May 1, 2016 by Anonymous*

**TEMPERATURES**

In April, the average high temperatures in Khatmandu is 24 degrees Celsius. In April, the average high temperatures in Lihueis 79 degrees. Which city tends to be warmer in April and how much warmer. C= 5/9(F-32); C=5/9(24-32)-4.44 F=9/5 79=32
*Sunday, May 1, 2016 by Petra*

**Math**

Gunny has a sheet of plywood that is 4 feet by 8 feet she wants to saw the plywood into pieces 1 foot high and 2 feet long for signs How many signs can she make with the sheet of plywood?
*Sunday, May 1, 2016 by CINDY*

**Geometry**

With a 12ft. pole marked in feet, how can one determine the foot of the perpendicular let fall to the floor from a point on a ceiling of a room 9ft. high?
*Saturday, April 30, 2016 by Tam*

**Geometry**

A hill slopes down from a building with a grade of one for to five feet measured along the horizontal (slope of 1/5). If a ladder 36 ft. long is set against the building, with its foot 12ft. down the hill. How high will it reach the building?
*Saturday, April 30, 2016 by Anthony*

**Geometry**

1. A point on the ceiling of a room is 12ft. from each of the vertices of a triangle on the floor whose legs are 6ft. A and 8ft. respectively. find the length of the ceiling. 2. With a 12ft. pole marked in feet, how can one determine the foot of the perpendicular let fall to ...
*Saturday, April 30, 2016 by John*

**Geometry **

A vertical pole 24ft. high is to be braced securely by four wires attached 8ft. from the top. If the wires are fastened to stakes in the level ground at the vertices of square with its center at the foot of the pole and sides 20ft., what should be the length of each wire?.
*Saturday, April 30, 2016 by Eric *

**Math (pleaseeeee answer I'm confused)**

1. A point on the ceiling of a room is 12ft. from each of the vertices of a triangle on the floor whose legs are 6ft. A and 8ft. respectively. find the length of the ceiling. 2. With a 12ft. pole marked in feet, how can one determine the foot of the perpendicular let fall to ...
*Saturday, April 30, 2016 by Kaye*

**Math**

A tree and a flag pole are on the same horizontal ground, A bird on top of the tree observes the top and bottom of this flag pole below it at angle 45 degrees and 60 degrees respectively, If the tree is 10.65 meters high ,calculate and correct to 3 significance figures the ...
*Saturday, April 30, 2016 by Edwin*

**Maths**

Please help with Factorising! I am very confused because I have been away from school. I am very confused with factorising with group terms and finding the HCF binomial factor and takin out the HCF.
*Saturday, April 30, 2016 by Shakira*

**Geometry**

1. Television screens are sized according to the length of a diagonal across the screen, from one corner to another. The screen of a 2 inch wide screen TV is 24.5 inch high. How wide is it? 2. A carpenter needs to build a stairway down to a basement in a house under ...
*Friday, April 29, 2016 by Terrell*

**history (reed)**

.1 Which is an event of the progressive Era enacted by the local government in south Carolina? a. The first grange chapter was established for farmers b. The grandfather clause gave poor whites the right to vote c. Blacks were disfranchised through a poll tax d. A law ...
*Friday, April 29, 2016 by abstract*

**Math**

In high school, I played soft ball. I hit the ball into the air with an upward velocity of 35 ft. The equation that gives the height (h) of the ball at any time (t) is: h(t)= -15t2 + 35ft + 1.0. What is the y-coordinate of the vertex? Use: x=-b/2a
*Friday, April 29, 2016 by Kendra*

**Cape he loped high school**

You sell lemonade for $2 and orange juice for $3. You sell 100 cups for $240. How many cups of lemonade and how many cups of orange juice were sold
*Friday, April 29, 2016 by John*

**geometry**

An A-frame house is 40 feet high and 30 feet wide. Find the angle that the roof makes with the floor. Round the angle nearest degree.
*Thursday, April 28, 2016 by hi*

**english help please!!**

Which of the following is an example of a literal question? When was Marcus called to the office? Why was Marcus always getting in trouble at school? How did Marcus treat his teachers? Which of your friends is most like Marcus? is it d pls help me
*Thursday, April 28, 2016 by Oscar*

**history**

1. Which is an event of the progressive Era enacted by the local government in south Carolina? a. The first grange chapter was established for farmers b. The grandfather clause gave poor whites the right to vote c. Blacks were disfranchised through a poll tax d. A law ...
*Thursday, April 28, 2016 by abstract*

**Army school science **

What is intial velocity?
*Thursday, April 28, 2016 by Shivoy *

**SOCIAL STUDIES**

1. which is an event of the progressive era enacted by the local government in South Carolina? a. the first grange chapter was established for farmers b. the grandfather clause gave poor whites the right to vote c. blacks were disfranchises through a poll tax d. a law ...
*Thursday, April 28, 2016 by help*

**Physics**

a cube slides down a frictionless incline as shown and inelastically strikes a cube at the battom of the incline that's 1/2 (one-half) it's mass. The coeff. of restitution between the two masses is 0.7. If incline is 30 cm high and table is 90cm off floor, at what ...
*Wednesday, April 27, 2016 by Emily *

**PreCalc**

As you ride a bicycle, the distance between your foot and the pavement varies sinusoidally with the horizontal distance the bicycle has gone. Suppose that you start with your right foot somewhere between a high point and a low point, and push down. When you have gone 7 meters...
*Wednesday, April 27, 2016 by Katy*

**Probability**

A school survey found that 9 out of 10 students like pizza. If three students are chosen at random with replacement, what is the probability that all three students like pizza? Answer with 3 decimal places.
*Wednesday, April 27, 2016 by Mi*

**Math **

The scariest dining of requip there are 450 students and 50 on each School Bus. How many buses are needed to take in the trip? If 10 more students decide to come, how many buses do you need then?
*Wednesday, April 27, 2016 by Abby*

**Math**

A wall is 8 feet high and 10 feet long. How much wallpaper is needed to cover it?
*Wednesday, April 27, 2016 by AA*

**Re-post - Science - from Spitfireredhead**

Posted by SpitFireRedHead on Wednesday, April 27, 2016 at 8:23am. Please check this. Thanks! 1. Which of the following shows fossils as evidence of continental drift? a. Limestone layers in the Appalachian Mountains of North America were exactly the same as the limestone in ...
*Wednesday, April 27, 2016 by Writeacher*

**Math**

During a tournament, 4 players on the school golf team drank equal amounts of water from a 6-liter water jug. They drank all of the water. Which equation can be used to find the number of liters of water that each player drank?
*Wednesday, April 27, 2016 by Anonymous*

**Emergency Easy QUESTION**

1.)Can being in low classes in high school affect you in college? If so then please explain because I'm worried.
*Wednesday, April 27, 2016 by #FreeGucci*

**HELP ME S.S**

4. Jayden opens a savings account with $100.00. His account pays 4% simple interest. How much money will be in his account one year later if he makes no deposits or withdrawals? A.) $96.00 B.) $100.00 C.) $104.00 D.) $148.00 1. when prices rise at high rate it's called ...
*Wednesday, April 27, 2016 by Quzzy modo*

**Science (please check Ms. Sue)**

Please check this. Thanks! 1. Which of the following shows fossils as evidence of continental drift? a. Limestone layers in the Appalachian Mountains of North America were exactly the same as the limestone in Scotland’s highlands. b. Mesosaursus, an ancient reptile, had ...
*Wednesday, April 27, 2016 by SpitFireRedHead*

**physics**

a cube slides down a frictionless incline as shown and inelastically strikes a cube at the battom of the incline that's 1/2 (one-half) it's mass. The coeff. of restitution between the two masses is 0.7. If incline is 30 cm high and table is 90cm off floor, at what ...
*Tuesday, April 26, 2016 by Emily*

**math**

You are surveying students to find out their opinion of the quality of food served the school cafeteria. You decide to poll only those students who buy hot lunch on a particular day. Is your sample random? Explain? Can you explain me this im not sure if it is random or not and...
*Tuesday, April 26, 2016 by FluttershyK22*

**algebra 2**

So the dead line for my class is coming up. And I really need help for these questions! 2. Elaine shoots an arrow upward at a speed of 32 feet per second from a bridge that is 28 feet high. The height of the arrow is given by the function h(t) = -16t2+32t + 28, where t is the ...
*Tuesday, April 26, 2016 by Anonymous*

**Math**

Meg concludes that students spend a mean of 7 hours in school each day. Tara thinks the mean is 6 hours. Who is correct—Meg or Tara? Explain your answer in two or three sentences. Make sure to use facts to support your answer
*Monday, April 25, 2016 by Anonymous*

**Math PLZZZ HELP ME!!!!!**

experimental probability predict the number of times you will roll a 5 if you roll the number cube 300 times. 15•• 27 48 54 experimental probability that two out of the first three students to arrive at the school are girls. 1/5 1/4 2/5•• 1/8 Correct me
*Monday, April 25, 2016 by Brasil *

**Math **

2. Based on the experimental probability predict the number of times you will roll a 5 if you roll the number cube 300 times. 15•• 27 48 54 experimental probability that two out of the first three students to arrive at the school are girls. 1/5 1/4 2/5•• 1/...
*Monday, April 25, 2016 by Brasil *

**#3 Fitness (Check answers)**

1) The first step in the decision-making process is to brainstorm all possibilities (my answer) evaluate the result act realize there is a problem 2) Evidence that you have accomplished a goal is an example of which step in the SMART goal method? specific measurable achievable...
*Monday, April 25, 2016 by Rebecca*

**Fitness (Check answers)**

6) Gang member often have weapons and are involved in violence. TRUE OR FALSE ~ (my answer is TRUE) 7) Being disruptive in class and getting angry easily could be sign of abuse. TRUE OR FALSE ~ (my answer is FALSE) 8) People with high self-esteem are prone to depression. TRUE ...
*Monday, April 25, 2016 by Rebecca*

**Fitness (Check answers)**

1) Sitting in class wearing ear buds during a lecture is effective listening. TRUE OR FALSE ~ (my answer is FALSE) 2) Defense mechanisms should be used as often as possible to deal with uncomfortable emotions. TRUE OR FALSE ~ (my answer is FALSE) 3) Daily decision are often ...
*Monday, April 25, 2016 by Rebecca*

**Length of similar shapes**

A cuboid is 4cm long, 7cm wide and 10cm high. A similar cuboid is 25cm high. Calculate its length and width?
*Monday, April 25, 2016 by Anonymous*

**length of similar shapes**

A cuboid is 4cm long, 7cm wide and 10cm high. a similar cuboid is 25cm high, calculate its length and width? I don't know it, please solve it for me
*Monday, April 25, 2016 by Anonymous*

**algebra 2**

Elaine shoots an arrow upward at a speed of 32 feet per second from a bridge that is 28 feet high. The height of the arrow is given by the function h(t) = -16t2+32t + 28, where t is the time in seconds. a. What is the maximum height that the arrow reaches? b. How long does it...
*Monday, April 25, 2016 by Anonymous*

**World History**

What immediate effect will the pieds-noirs have on these native Algerians' lives? A. They will become factory or commercial farm workers.****** B. They will be forced to fight for their freedom. C. They will relocate to France and learn modern skills. D. They will gain an ...
*Monday, April 25, 2016 by Jessie*

**physics**

A microwave runs off a 110. V circuit and draws 7.00 A of current. How much water would be required to run the microwave for 10.0 minutes if it is powered by a 10.0m high water wheel?
*Monday, April 25, 2016 by john jhon*

**Physcis**

A microwave runs off a 110. V circuit and draws 7.00 A of current. How much water would be required to run the microwave for 10.0 minutes if it is powered by a 10.0m high water wheel? I really don't this question nor know what exactly i'm suppose to be finding, ...
*Monday, April 25, 2016 by john jhon*

**Economics**

Demographic transition during the agricultural age means high infant and child mortality is accompanied by high birth rates and population increases occur?
*Sunday, April 24, 2016 by Anonymous*

**Science- Density**

I'm having difficulty understanding density. I am trying to relate the concept of density to brownies. Should a brownie with baking soda have a higher or lower density compared to a brownie with no baking soda? Does a thick brownie mean a high or low density? When it says ...
*Sunday, April 24, 2016 by Jessica*

**Science**

I am doing an extension to get into the AP Biology course offered by my school. This particular extension asked me to use vinegar and baking soda aswell as some basic scientific tools to find the concentration of acetic acid in vinegar. I wanted to know what a procedure for ...
*Sunday, April 24, 2016 by Connor*

**Absolute and relative change**

You are charged $279 on your credit card for a hotel stay, you call to complain about the unexpectedly high charge, but are told there are a total of 24% taxes for hotel rooms where you stayed. What was the advertised price of the room before taxes?
*Sunday, April 24, 2016 by jane*

**Stastics**

Can someone help me and let me know if what I have solved is correct. A researcher randomly surveyed 300 high school seniors and determined 225 stated they drive a car to high school. We are interested in the population proportion of seniors who drive a car to high school. a. ...
*Sunday, April 24, 2016 by Lindsay*

**Anti-Derivatives**

A stone is dropped from the edge of a roof, and hits the ground with a velocity of −170 feet per second. Assume the acceleration due to gravity is -32 feet per second squared. How high (in feet) is the roof? I have found s which is 16^2 but I do not know what formula to ...
*Sunday, April 24, 2016 by Anonymous*

**Math**

Seth uses a school camera to take pictures for the yearbook and for the school paper. Last month he took 270 pictures for the yearbook and 180 pictures for the school paper with this camera. Which proportion can be used to determine p, the percentage of the total number of ...
*Sunday, April 24, 2016 by Ale*

**PHYSICS**

What is the potential energy of a 150 kg diver standing on a diving board that is 10 m high?
*Sunday, April 24, 2016 by Victor*

**Trigonometry **

At a point on the ground 125 ft from the base of a tower, the angle of elevation to the top of the tower has a degree measure of 38 degrees. How high is the tower
*Saturday, April 23, 2016 by Claire *

**Maths**

A rectangular room 8m long by 5m wide contains 129m square of air. Calculate the height of the room. I assume that the above question is a trick question. Since the room is 8m high, it then goes that the height I 8metres. Thank you.
*Saturday, April 23, 2016 by Lucas*

**Stat**

Does anyone know how to solve for this Suppose that a principal of a local high school tracks the number of minutes his students spend texting on a given school day. He finds that the distribution of minutes spent texting is roughly normal with a mean of 60 and a standard ...
*Friday, April 22, 2016 by jen *

**Math, NEEDS HELP EMEDIETLY!**

Q: Marissa Is researching information about martial arts students. She found that 7 out of 12 martial arts students practice each day. there are 144 students at her school. Part A: Predict how many students practice every day. Part B: What Is The Sample Size? I Think the ...
*Friday, April 22, 2016 by Agal*

**stat**

** I already finish these questions Can you answer so I can compare my final answers w/ yours.** Suppose that a principal of a local high school tracks the number of minutes his students spend texting on a given school day. He finds that the distribution of minutes spent ...
*Friday, April 22, 2016 by Crystal*

**Math**

What is the volume of a cereal box that is 2 inches thick, 12 inches high and 10 inches wide?
*Friday, April 22, 2016 by Tom*

**Physics**

Two masses, mass A (1.9 kg) and B (3.3 kg) are hung on either side of a pulley. The masses each have an initial speed of 0.8 m/s, with mass B moving up. How high, in m, does mass B move after being released at this initial speed?
*Thursday, April 21, 2016 by Sahar*

**Chemistry<--------**

Sulfur dioxide in the effluent gases from coal-burning electric power plants is one of the principal causes of acid rain. One method for reducing SO2 emissions involves partial reduction ofSO2 to H2S followed by catalytic conversion of the H2S and the remaining SO2 to ...
*Thursday, April 21, 2016 by Tyler*

**probability**

The probability of mary,esther and john coming to school late on monday are 1/4,2/5 and1/3 respectively.draw a tree diagram to represent the information .
*Thursday, April 21, 2016 by Starn*

**Statistical work**

Suppose that a principal of a local high school tracks the number of minutes his students spend texting on a given school day. He finds that the distribution of minutes spent texting is roughly normal with a mean of 60 and a standard deviation of 20. a. the percentage of ...
*Thursday, April 21, 2016 by Lui*

**Stat**

Suppose that a principal of a local high school tracks the number of minutes his students spend texting on a given school day. He finds that the distribution of minutes spent texting is roughly normal with a mean of 60 and a standard deviation of 20. a. the percentage of ...
*Thursday, April 21, 2016 by Jen nugyen*

**Physics**

An egg is thrown from the top edge of a 22.9 m high building down onto an unsuspecting person standing on the ground 6.2 m from the base of the building. If the egg is tossed horizontally, at what speed, in m/s, must the egg be thrown such that it lands on the person?
*Wednesday, April 20, 2016 by Melissa*

**Math**

The school bus will be either be on time ir late. The probability that it will be on time is therefore 0.5.
*Wednesday, April 20, 2016 by Kayla*

**Calculus**

A stone is dropped from the edge of a roof, and hits the ground with a velocity of −170 feet per second. Assume the acceleration due to gravity is -32 feet per second squared. How high (in feet) is the roof?
*Wednesday, April 20, 2016 by Anonymous*

**Language Arts**

The poem I'm reading is "The Importance of Being Earnest" by Oscar Wilde 1. Which sentence from the passage provides the best expression of the theme? a. "its perfectly easy to be cynical." b. "... once a week is quite enough to dine with one's...
*Tuesday, April 19, 2016 by Night_Fury101*

**Math**

A high school has 438 students with about the same number of males and females. Describe a simulation to predict how many of the first 50 students who leave school at the end of the day are female.
*Tuesday, April 19, 2016 by Emily*

**Mathhhhh pls help me**

A dance school has 54 students who learn salsa and 23 of those students also learn ballet. There are 15 students who do not learn salsa but learn ballet and 10 students do not learn either salsa or ballet. Which table best shows the relative frequency of rows for the data?
*Tuesday, April 19, 2016 by Oscar*

**english**

As a teenager, I was not obsessed about eating out. My family would eat at a restaurant at least twice a week. Every time we went anywhere, it was a challenge for my parents to find a suitable food and a nice quality restaurant. Fortunately, exception I loved the place and ...
*Tuesday, April 19, 2016 by girl*

**School**

The Robinson's have quite a lot of family pets. They have 3 times as many budgies as they have cats and there are a total of 30 legs between them. Complete the following statement. The Robinson's have ____cats and ____budgies. I need help, can someone show me the ...
*Tuesday, April 19, 2016 by 88*

**science**

how to find a solution with high buffer capacity?
*Tuesday, April 19, 2016 by ayya*

**Math **

In 1995-96 academic year there were 86,087 bachelor degrees awarded. That number fell to 71,261 for 2002-2003 school year. In 2008-09 it rose to 120,488 . How much greater was the percent increase from 2003 to 2009? How much was the percent decrease from 1996 to 2003?
*Sunday, April 17, 2016 by Bryant*

**science**

a boy whose mass is 69kg climbs a tree 10m high in 12s .calculate the work done and power developed
*Sunday, April 17, 2016 by latela*

**Math 4**

There are 20 teachers and 705 students in Corey's school. What is the ratio of teachers to students? How would I solve this problem? PLZ help me! :(
*Sunday, April 17, 2016 by Diane*

**Math**

There are 20 teachers and 705 students in Corey's school. What is the ratio of teachers to students? Answers: A. 4/141 B. 141/4 C. 5/141 D. 141/5 My Answer: A: 4/141 Please check if I am right. Thanks!
*Sunday, April 17, 2016 by Lani*

**Physics**

Home Economics Math Music Physical Education Science Social Studies GRADE LEVELS Preschool Kindergarten Elementary School 1st Grade 2nd Grade 3rd Grade 4th Grade 5th Grade 6th Grade 7th Grade 8th Grade High School 9th Grade 10th Grade 11th Grade 12th Grade College Adult ...
*Sunday, April 17, 2016 by Rameel*

**english**

complete the following sentence by filling in a suitable predicates 1,the cat 2,the school bus 3,all the students, 4,the class room 5,the boys
*Sunday, April 17, 2016 by afsheen*

**physics!**

In its search for flying insects, a bat uses an echolocating system based on pulses of high frequency sound. These pulses are 2.0 ms in duration, have a frequency of 50 kHz, and an intensity level of 100 dB at 1.0 m from the bat’s mouth. Assume the bat produces acoustic ...
*Saturday, April 16, 2016 by Jamie*

**math**

The winning team's score in 13 high school basketball games was recorded. If the sample mean is 54.3 points and the sample standard deviation is 11.0 points, find the 98% confidence interval of the true mean.
*Saturday, April 16, 2016 by alicia*

**distribution**

In a school, the IQ scores of the students have a normal distribution with a mean value of 100, and a standard deviation of 10. What is the probability that the IQ score of a randomly selected student is at least 120? (10 p)
*Saturday, April 16, 2016 by ABDULA YUSUF*