Thursday
November 27, 2014

Homework Help: High School

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Statistics
The father of a junior high school student wants to determine the most popular book among junior high students. Select the sample with the least potential bias. A. A randomly selected group of 10 book sellers B. A randomly selected group of 30 junior high students C. A ...
Thursday, September 11, 2014 at 1:34pm

physics
A hockey puck truck at ice level just clears the top of a glass wall that is 2.80 m high. The flight time to this point is 0.650 s, and the horizontal distance is 12.0 m. Find a.) the initial speed of the puck and b.) the maximum height it will reach.
Thursday, September 11, 2014 at 6:53am

physics
A hockey puck truck at ice level just clears the top of a glass wall that is 2.80 m high. The flight time to this point is 0.650 s, and the horizontal distance is 12.0 m. Find a.) the initial speed of the puck and b.) the maximum height it will reach.
Thursday, September 11, 2014 at 6:33am

Acoustic
Consider a room that is 6m long, 5m wide and 3m high and whose walls, floor and ceiling have the same sound absorption coefficient (α=0.01). When all machines are in use, the sound pressure level (SPL) within the room amounts to 90 dB. A carpet is to be placed on the ...
Thursday, September 11, 2014 at 3:25am

Acoustic
How would you expect the directivity of the piston to vary as the temperature of air decreases? (Hint: Low temperature -> decrease of sound speed) 1.Directivity of the piston is independent of the temperature. 2.Directivity of the piston becomes smooth (low directivity) ...
Thursday, September 11, 2014 at 3:24am

Ed. Tech
What is the rhyme scheme of the following poem? He sat upon his brand new bike Waiting for his best friend Mike. He couldn't wait to ride to school. Others would say his bike is cool. 1. a a b b 2. a b a b 3. a b c d 4. a a b a Is the answer 1?
Wednesday, September 10, 2014 at 6:56pm

science
solved a ball is dropped from the top of a tower 100 meter high. simultaneously another ball is thrown upwards from ground with a speed of 50 m/s . after what time do they cross each other.
Wednesday, September 10, 2014 at 1:47pm

physics
from a cliff of 49m high ,a man drops a stone 1s later he throes second stone . they both hit the ground at the same time . find out the speed with which he throws the second stone.
Wednesday, September 10, 2014 at 1:20pm

Physics
A tennis player hits a ball 1.6 m above the ground. The ball leaves the racket with a speed of 12 m/s at an angle 8.0 degrees above the horizontal. The net is a horizontal distance of 7.0 m away from the player and is 1.0 m high. (a.) Does the ball clear the net? Explain how ...
Wednesday, September 10, 2014 at 12:09pm

Grammar
couple of paragraph on "why children should go to school"
Wednesday, September 10, 2014 at 10:19am

Critical thinking
Since Jessica’s participation in local politics increased significantly after she joined her school’s political science club, it is clear that her involvement in that club led her to take an interest in politics. The argument above is flawed because
Wednesday, September 10, 2014 at 9:33am

physics
A man stands at the top of a 27-m high building and throws a penny straight downward. If the penny has an initial velocity of -3.9 m/s, what is the velocity of the penny in m/s when it hits the ground?
Tuesday, September 9, 2014 at 11:17pm

physics
a large aircraft accelerates sown the runway for a distance of 3000m before leaving the ground. It then climbs at a steady 3 degree angle. After the plan has travelled 4000m along this new trajectory, how high is it and how far horizontally is it from its initial position?
Tuesday, September 9, 2014 at 10:22pm

Algebra
38% of children live more than 4 miles from their school. What fraction of the students live more than 4 miles from the school? 38/100 x 4/1=76/50
Tuesday, September 9, 2014 at 7:51pm

physics
A bush baby, an African primate, is capable of leaping vertically to the remarkable height of 2.3 m. To jump this high, the bush baby accelerates over a distance of 0.18m while extending the legs. The acceleration during the jump is approximately constant. What is the ...
Tuesday, September 9, 2014 at 7:23pm

physics
1.A motorist drive along a straight road at a constant speed of 15.0 m/s.Just as she passes a parked motorcycle police officer,the officer starts to accelerate at 2.0 m/s^2 to overtake her. Assuming the officer maintains this acceleration, a) determine the time it takes the ...
Tuesday, September 9, 2014 at 6:45pm

Biology
For each of these properties, give an example of how water’s properties affect life on earth. Able to dissolve salt or sugar • unable to dissolve oil • high surface tension (cohesion) • capillary action (cohesion + adhesion) • liquid more dense than ...
Tuesday, September 9, 2014 at 6:17pm

Marketing
Which of the following statements describes how price relates to profit? A. The lower the price is set, the lower the profit will be. B. The prices a business sets for products and services help in determining the profit of the business. C. A good or service with a high price ...
Tuesday, September 9, 2014 at 10:31am

physics
1.A motorist drive along a straight road at a constant speed of 15.0 m/s.Just as she passes a parked motorcycle police officer,the officer starts to accelerate at 2.0 m/s^2 to overtake her. Assuming the officer maintains this acceleration, a) determine the time it takes the ...
Tuesday, September 9, 2014 at 9:45am

statistics
It is time to go shopping for new clothes for school! You have found a catalog for new clothes. You decide that you will buy ve di erent shirts, four di erent pants, two di erent jackets, and three di erent shorts. The catalog has twelve di erent types of ...
Monday, September 8, 2014 at 9:58pm

Urgent English help
The sentences below have transitive verbs so each verb has a direct object. Read each sentences and underline its direct object. (Underline the subject once, and double underline the action verb and circle the do.) *** Some may not have DO*** please correct me if I'm wrong...
Monday, September 8, 2014 at 9:03pm

Physics
You serve a tennis ball from a height of 2.1 m above the ground. The ball leaves your racket with a speed of 19.2 m/s at an angle of 5.3° above the horizontal. The horizontal distance from the court's baseline to the net is 11.83 m, and the net is 1.07 m high. Neglect ...
Monday, September 8, 2014 at 5:15pm

History
So I was reviewing my online lecture for school, and I noticed something the teacher had said. The Plains Indians planted seeds in the Spring, hunted buffalo and small game in the summer, harvested crops and made sure there was a good food surplus for winter in autumn, but in ...
Monday, September 8, 2014 at 10:04am

Quick English help
The sentences below have transitive verbs so each verb has a direct object. Read each sentences and underline its direct object. (Underline the subject once, and double underline the action verb and circle the do.) *** Some may not have DO*** please correct me if I'm wrong...
Sunday, September 7, 2014 at 10:26pm

7th grade LA
Identify the infinitive phrase. 1. While the train was stopped at the station, Bugsy attempted to climb to the top of one of the freight cars. Ans: to climb to the top of one of the freight cars? 2. During the Great Depression, audiences wanted to laugh when they went to the ...
Sunday, September 7, 2014 at 9:22pm

physics
A rifle with a muzzle velocity of 480 m/s shoots a bullet at a target 45.6 m away. How high above the target must the rifle barrel be pointed to ensure that the bullet will hit the target? Neglect air resistance.
Sunday, September 7, 2014 at 8:31pm

Quick English check
The sentences below have transitive verbs so each verb has a direct object. Read each sentences and underline its direct object. (Underline the subject once, and double underline the action verb and circle the do.) *** Some may not have DO*** please correct me if I'm wrong...
Sunday, September 7, 2014 at 8:08pm

physics
A ball is thrown straight up with an initial speed of 60 m/s. How high does it go? Assume the accelera- tion of gravity is 10 m/s22
Sunday, September 7, 2014 at 4:53pm

college physics
A 49-kg lead ball is dropped from the leaning tower of Pisa. The tower is 54 m high. (a) How far does the ball fall in the first 2.4 seconds of flight? (b) What is the speed of the ball after it has traveled 4.1 m downward? (c) What is the speed of the ball 1.7 s after it is ...
Sunday, September 7, 2014 at 4:51pm

English check
The sentences below have transitive verbs so each verb has a direct object. Read each sentences and underline its direct object. (Underline the subject once, and double underline the action verb and circle the do.) *** Some may not have DO*** please correct me if I'm wrong...
Sunday, September 7, 2014 at 3:00pm

The Curriculum
When are children who live with overly critical or controlling adults particularly vulnerable? A. During years two and three, when they're exercising increased autonomy B. During elementary school, when involved in real task completion C. During preadolescence, when they ...
Sunday, September 7, 2014 at 10:54am

Gr 11 Biology
Which person do you think would be more physically fit: a) an individual with a normal expiratory reserve volume and high vital capacity OR B)an individual with a high expiratory reserve volume and normal vital capacity
Sunday, September 7, 2014 at 10:51am

statistics
At a school consists of 62% undergraduate, 55% of the students are males, and 48% of the undergraduate students are male. a. Determine the probability that a randomly selected student is either male or an undergraduate b. Illustrate the probabilities using a Venn Diagram
Saturday, September 6, 2014 at 9:45pm

statistics
A survey was conducted at a school to determine how many students use the outside recreational areas for studying versus recreational. Out of 43 students at the park 25 students were not studying. What is the probability that you would come across a student studying at the park?
Saturday, September 6, 2014 at 9:44pm

Physics for Technology
I have been out of school 27 years; no Algebra or Trigonometry training: only remedial math. This class is part of a Diploma program, no placement test required - I am out of my depth. I had a tutor for an hour last Tues., with another appt. this Tues. Yet, like I told my ...
Saturday, September 6, 2014 at 7:36pm

government
Judges espousing a philosophy of original understanding maintain that school desegregation cases decided on the basis of the Fourteenth Amendment were wrongly decided because? 1 he original intent of the framers was to defer to the will of legislative bodies. 2 we do not know ...
Friday, September 5, 2014 at 9:11pm

algebra
You live under a bridge that goes over a river. the underneath side of the bridge is an arc that can be modeled with the function y=-0.000407x^2+0.658x.Where x and y are in feet. How high is the bridge? How long is the section of bridge above the arc?
Friday, September 5, 2014 at 3:22pm

algebra
You live under a bridge that goes over a river. the underneath side of the bridge is an arc that can be modeled with the function y=-0.000407x^2+0.658x.Where x and y are in feet. How high is the bridge? How long is the section of bridge above the arc?
Friday, September 5, 2014 at 3:14pm

Criminal justice
Research has continually shown that the most successful interventions concentrate first on _____ and then on improving: A. peer relations; academic mastery. B. improving parenting and the family system in general; peer relations and academic skills. C. school-based programs; ...
Friday, September 5, 2014 at 12:53pm

chemistry
A sprinter set a high school record in track and field, running 200.0 m in 21.0s . What is the average speed of the sprinter in kilometers per hour?
Thursday, September 4, 2014 at 10:14pm

Pre-Calc
The peak of a mountain is observed from the base and from the top of a tower 180 ft high. Find the height of the mountain above the base of the tower is the angles of elevation of the peak are 21 degree 35’ and 24 degree 48’
Thursday, September 4, 2014 at 9:56pm

physics
A stone is launched straight up by a slingshot. Its initial speed is 20.6 m/s and the stone is 1.59 m above the ground when launched. How high above the ground does the stone rise? How much time elapses before the stone hits the ground?
Thursday, September 4, 2014 at 1:15pm

statistics
A state administered standardized reading exam is given to eighth grade students. The scores on this exam for all students statewide have a normal distribution with a mean of 507 and a standard deviation of 60. A local Junior High principal has decided to give an award to any ...
Thursday, September 4, 2014 at 11:40am

statistics
A state administered standardized reading exam is given to eighth grade students. The scores on this exam for all students statewide have a normal distribution with a mean of 506 and a standard deviation of 69. A local Junior High principal has decided to give an award to any ...
Thursday, September 4, 2014 at 10:06am

PNG Patadise High School
Determine the volume of fluorine needed to produce 10.7 g of of exnon diflouride?
Thursday, September 4, 2014 at 8:26am

science
A tower is 24m high. A stone is projected upwards from the tower with initial velocity of 24,5 m/s. Calculate how long it would take for the stone to reach the ground at the foot of the tower.
Thursday, September 4, 2014 at 4:46am

SCIENCE:BIOLOGY>
1. How many seconds do you spend in school during the week (6.5 hours/day)? 2. How many micrograms are in 12 dekagrams? 3. How many centimeters are in 5 kilometers? 4. 3.25 liters are equal to how many kiloliters? 5. how man meters are in 0.65 hectometers? 6. How many grams ...
Wednesday, September 3, 2014 at 10:08pm

Math
The school band is comprised of middle school students and high school students, but it always has the same maximum capacity. Last year the ratio of the number of middle school students to the number of high school students was 1:8. However, this year the ratio of the number ...
Wednesday, September 3, 2014 at 6:14pm

Sogeri high school
Hydrazine,N2H4 burns in oxygen... A...what are their product?(in chemical equation). B..How many bondes are broken? C..How many new bonds are formed from the. product side... D.Total energy required to break the bond? E.Total energy realised when new bonds are formed? F.the ...
Wednesday, September 3, 2014 at 12:27pm

Ponce High School
An executive in an engineering firm earns a monthly salary plus a Christmas bonus of 5300 dollars. If she earns a total of 98700 dollars per year, what is her monthly salary in dollars?
Wednesday, September 3, 2014 at 12:14pm

math
A dollar bill is 1.1 x 10-4 meters thick. If you stacked 53,000,000,000 dollar bills, how high would the stack be? (Hint: put both in scientific notation form and use the laws of exponets to multiply) answer: 5,830,000 meters thick
Wednesday, September 3, 2014 at 7:56am

Physics
1. The water pressure in a kitchen faucet is 3.43 x 10^5 N/m^2. How high above the faucet is the surface of the water in the storage tank? 2. A swimming pool 8.0 m x 15.0 m has a uniform depth of 2.0 m. Determine the total force and the absolute pressure on the bottom of the ...
Wednesday, September 3, 2014 at 6:52am

Physics
1. What is the pressure on the bottom of an aquarium 0.30 m deep filled with water? 2. The plug in a bathtub is 10 cm^3in area and is 0.8 m below the surface of the water. What is the force of the water on the plug? 3. If a column of oil 0.89 m high in balanced by a column of ...
Wednesday, September 3, 2014 at 6:44am

English
Look at the following sentences, which use the passive voice. Then rewrite each sentence in the active voice, and decide which version you prefer and why. 1. Mistakes were made. a. I made mistakes. 2. Musical legends such as Ray Charles, Billie Holiday, and Johnny Cash have ...
Wednesday, September 3, 2014 at 2:42am

English
Revise the following sentences as needed to create pronoun-antecedent agreement and to eliminate the generic he and any awkward pronoun references. 1. While shopping for a new computer for school, I noticed that a laptop costs much less that they used to. a. While shopping for...
Wednesday, September 3, 2014 at 2:40am

mathematics
solve problem using ratio 5:8 in a school are girls and 135 boys how many children are in the school in total.
Wednesday, September 3, 2014 at 12:09am

Grade 11 Physics
Average speed: Bill and Amy want to ride their bikes from their neighborhood to school which is 14.4 kilometres away. It takes Amy 40 mins to arrive at school. Bill arrives 20 mins after Amy. How much faster(in meters/second) is Amy's average speed for the entire trip?
Tuesday, September 2, 2014 at 7:09pm

gr 11 physics
Bill and Amy want to ride their bikes from their neighborhood to school which is 14.4 km away. It takes Amy 40 mins to arrive at school. Bill arrives 20 mins after Amy. How much faster(in meters/second) is Amy's average speed for the entire trip?
Tuesday, September 2, 2014 at 6:17pm

Physics
A 54.0-g Super Ball traveling at 29.0 m/s bounces off a brick wall and rebounds at 18.0 m/s. A high-speed camera records this event. If the ball is in contact with the wall for 4.00 ms, what is the magnitude of the average acceleration of the ball during this time interval in ...
Tuesday, September 2, 2014 at 6:12pm

Math 3
for football tryouts at a local school, 12 coaches and 42 players will split into groups. each group will have the same numbers of coaches and players. what is the greatest number of groups that can be formed? how many coaches and players will be in each of these groups?Please...
Tuesday, September 2, 2014 at 6:09pm

Math 2
The middle school band has 56 members. The high school band has 96 members. the bands are going to march one after the other in a parade. the director wants to arrange the bands into the same number of columns. What is the greatest number of columns in which the two bands can ...
Tuesday, September 2, 2014 at 5:36pm

calculus/physics
A trough is 2 feet long and 1 foot high. The vertical cross-section of the trough parallel to an end is shaped like the graph of y=x10 from x=−1 to x=1. The trough is full of water. Find the amount of work required to empty the trough by pumping the water over the top. ...
Tuesday, September 2, 2014 at 4:42pm

Bio
You want to study the effects on the organism of high circulating levels of LDL using a mouse model. Which one of the following tools would be best to use in your studies? add an extra copy of the HMG CoA reductase gene fused to the GFP coding sequence add an extra copy of the...
Tuesday, September 2, 2014 at 12:54pm

Precedence rules for the algebra community
Precedence of operators In simple algebra, there is a set of precedence (priority) of operations that should be respected in order that everyone evaluates mathematical expressions in the same way. Although these rules have been taught in elementary school or junior high school...
Tuesday, September 2, 2014 at 12:11pm

English
34.1 Revise the following sentences to eliminate unnecessary shifts in tense, mood, voice, or person and number and between direct and indirect discourse. 1. The greed of the 1980s gave way to the occupational insecurity of the 1990s, which in turn gives way to reinforced ...
Tuesday, September 2, 2014 at 4:53am

English
Posted by rfvv on Monday, September 1, 2014 at 8:28am. Q: What can you do for the school? 1. I can clean the floor of my classroom. 2. I can clean the floor of the hallway of my classroom. 3. I can clean the stairs with a mop. 4. I can pick up trash on the flower pots and on ...
Tuesday, September 2, 2014 at 2:10am

Math
Outside temperature over a day can be modelled as a sinusoidal function. Suppose you know the high temperature for the day is 87 degrees and the low temperature of 63 degrees occurs at 5 AM. Assuming t is the number of hours since midnight, find an equation for the temperature...
Tuesday, September 2, 2014 at 1:13am

Business Math
Treasure Mountain International School in Park City, Utah, is a public middle school interested in raising money for next year's Sundance Film Festival. If the school raises $2,989 and invests it for 1 year at 3% interest compounded annually, what is the APY earned? Please...
Monday, September 1, 2014 at 8:17pm

physics
To estimate how high the cliff is you throw a rock off the edge and 7.8 s later you hear the rock hit the ground. The speed of sound is 330 m/s. Ignoring air resistance how high is the cliff?
Monday, September 1, 2014 at 7:15pm

Hyphens
I am using the phrase "high energy " as an adjective. Do I need to write it like, "high-energy?"
Monday, September 1, 2014 at 6:46pm

Math
While getting dressed for school early one morning, the light in Toni's bedroom burned out. Toni knew he had plenty of clean socks in his drawer, but none of them were matched. He had 24 white socks and 6 blue socks. What is the probabilty of Toni finding 2 white socks or ...
Monday, September 1, 2014 at 6:02pm

Math
While getting dressed for school early one morning, the light in Toni's bedroom burned out. Toni knew he had plenty of clean socks in his drawer, but none of them were matched. He had 24 white socks and 6 blue socks. What is the probabilty of Toni finding 2 white socks or ...
Monday, September 1, 2014 at 4:32pm

Writing
Please give me a score of 1-6 (one being poor and six being excellent). Also, please give me some feedback! Thank you in advance! Essay prompt: What motivates people to change? Essay: Many people know that eating junk food is unhealthy. Yet, they keep eating it because it ...
Monday, September 1, 2014 at 1:13pm

math
At the school carnival, Carmen sold 3 times as many hot dogs as Shawn. The two of them sold 152 hot dogs altogether. How many hot dogs did Carmen sell?
Monday, September 1, 2014 at 9:22am

English
Q: What can you do for the school? 1. I can clean the floor of my classroom. 2. I can clean the floor of the hallway of my classroom. 3. I can clean the stairs with a mop. 4. I can pick up trash on the flower pots and on the playing field. 5. I can win first place by playing ...
Monday, September 1, 2014 at 8:28am

physics
A ball is dropped a high cliff, and two second later another ball was thrown vertically downwards with an initial speed of 30 m/s.How long will it take the second ball to overtake the first?
Sunday, August 31, 2014 at 12:43pm

physics
A student tools along in his new Vette weaving in and out of slow traffic, overtaking little kids boarding the school bus, passing school zones without a second glance, cutting off ambulances and fire trucks, running yellow lights, red lights, yield signs, and stop signs ...
Saturday, August 30, 2014 at 3:22pm

Math
A student goes through seven class periods in school. Each period lasts 55 minutes. How many hours does he spend in class per week?
Friday, August 29, 2014 at 11:55pm

child development part 2
When preparing an environment for school - aged children, the caregiver should ensure that the
Friday, August 29, 2014 at 4:19pm

Math
There are 36 students in a student council in a school and the ratio of the number of boys to girls is 3:1 . How many more girls should be added to the council so that the ratio of boys to the number of girls may be 9:5
Friday, August 29, 2014 at 11:32am

Criminal justice
Informal probation may be the disposition of choice when a girl attends school regularly, obeys her parents' directions and restraints, and is before the court on a marginally delinquent offense except. Even so, she is not suitable for informal probation because: A. ...
Thursday, August 28, 2014 at 3:37pm

calculus
A wall 10 feet high is 8 feet away from a house. Find the length of the shortest ladder that will reach the house when one end rests on the ground outside the wall. So in here. I did the similar triangle property. so i got y=10(x+8)/x . And i substituted it in the PYTHAGOREAN ...
Thursday, August 28, 2014 at 5:10am

Physics
From the top of a cliff with 80 m height a stone is thrown vertically and finally hit the surface of ocean. Initial velocity of stone is 40 m/s. Find: (a) time to reach to max height. (b) how high goes from surface of ocean? (c) what is velocity of stone 2 second after thrown...
Wednesday, August 27, 2014 at 8:52pm

Math
the ratio of of the number of adults to the number of students at the prom has to be 1:10. Last year there were 477 more students than adults at the prom. If the school is expecting the same attendance this year how many adults have to attend prom?
Wednesday, August 27, 2014 at 8:44pm

memphis school
Two boats leave a dock at the same time, one goes eastward at 10miles per hour and the other goes north at 24miles per hour how miles apart are both boats after 3hours
Wednesday, August 27, 2014 at 5:59pm

algebra
the distance s to school is 1/5 more than the distance c to the pool
Wednesday, August 27, 2014 at 5:19pm

Math
Is 2.2 miles too long of a distance to walk to school?
Wednesday, August 27, 2014 at 12:47am

MATH
0.600 of the students are in sports. if there are 1000 kids in school, how many participate in a school sport? A-6000 B-600 C-60 or D-6
Tuesday, August 26, 2014 at 6:34pm

p.e
You decide you are going to make more responsible health decisions. Which of the following risk factors can you control? A. there is a history of heart disease in your family. B. there is a higher incidence of high blood pressure in your ethnic group. C. your friends have ...
Tuesday, August 26, 2014 at 3:20pm

english
which is punctuated correctly?????? Despite the rain many people come to the outside wedding. We went to a movie, and did some shopping,after we ate lunch at the deli. Over the summer, many people plan to travel to exotic places, and play at the beach. When I get to school, I ...
Tuesday, August 26, 2014 at 8:25am

High School Chemistry
How many kilograms of salt water, (with a density of 1.20 g/cm^3) are needed to fill an aquarium that measures 125.0 ft^3? (Hint: Density can be used as a conversion factor to convert volume to mass.)(Remember to make use of significant figures.) I haven't the slightest ...
Tuesday, August 26, 2014 at 1:57am

Story Question
Judd's heart felt like it was shattering into a million tiny pieces as he kissed Laura goodbye on the last day of summer camp. The school year seemed to crawl by at a snail's pace. He spent that time writing letters to her every day and dreaming about her every night. ...
Monday, August 25, 2014 at 11:24pm

English
1. Who is Eric? He is the leader of the school band SB. 2. What is Eric? He is the leader of the school band SB. (Which question is right?)
Monday, August 25, 2014 at 12:09am

Mathematoics
last week rowena spent 1/3 of her weekly allowance on snacks, 2/5 on school materials and 1/4 of the remainder, on transportation. if she save the rest of her allowance , what fraction of her allowance did she save?
Sunday, August 24, 2014 at 10:40pm

algebra
A rock is thrown upward with a velocity of 15 meters per second from the top of a 30 meter high cliff, and it misses the cliff on the way back down. When will the rock be 10 meters from the water, below? Round your answer to two decimal places. I am not understanding how to ...
Sunday, August 24, 2014 at 7:31pm

Earth Science
Please help me with the following question: 8. Observations can lead to hypotheses. Hypotheses can lead to new experimentation. Which best describes an observation and hypothesis that might lead to new experimentation? A. Dr. Sattler discovers a new plant that grows near ...
Sunday, August 24, 2014 at 4:21pm

Math
A cabinet has shelves that are 12 1/2 in. apart. On one shelf, Katherine stacked a CD player that is 4 5/8 in/ high on top of an amplifier that is 6 3/4 in. high. How much space was left above the CD player? I got 1 1/4; I added 6 3/4 and 4 5/8 and got 11 2/8. Then I ...
Sunday, August 24, 2014 at 3:37pm

math
A cylindrical gasoline tank is 50 ft high and has diameter 70 ft. How many gallons of gasoline will the tank hold if there are 7.5 gallons in 1 ft3 ?
Sunday, August 24, 2014 at 1:07pm

geometry
. A cylindrical container has a base area of 100 m2 and is 12 m high. If the container is one-third filled with water, what is the volume of the water in the container? A. 300 m3 C. 600 m3 B. 400 m3 D. 1200 m3
Sunday, August 24, 2014 at 12:31pm

English
1. She held out her hand. 2. She extended her hand. --------- Are both the same? Can we use some other expressions instead of 'held out'? 3. It's been such a long time. 4. It's been so lone a time. --------------------------- What does 'It' refer to ...
Friday, August 22, 2014 at 10:49pm

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