Answers edited by Suren Abreu

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• A flower bed is in the shape of a triangle with one side twice the length of the shortest side, and the third side is 23 feet more than the length of the shortest side. If the perimeter is 167, what are the three sides?
  
• Why is placenta previa more common in females?
  
• Why does water roll off a person's skin when the person gets out of a swimming pool?
  
• What pulmonary blood vessel carries oxygen-rich blood?
  
• How do you evaluate #8- 12\div 3+ 21\div 7#?
  
• Question #db389
  
• How do you multiply #4\sqrt { 27} \times \sqrt { 12}#?
  
• Emily is entering a bicycle race for charity. Her mother pledges $0.40 for every 0.25 mile she bikes. If Emily bikes 15 miles, how much will her mother donate?
  
• What is the function of cardiac muscles cells?
  
• Question #606dc
  
• Where is the esophageal section of the stomach located?
  
• Why is a chemical synaptic transmission unidirectional? Does calcium open up Ca+ channels in the bulb and Ca+ rushes in and allows for neurotransmitters to enter?
  
• How do you solve #x^ { 4} - 51x ^ { 2} = - 50#?
  
• How do you solve #1+ \frac { 1} { x - 7} = \frac { 4x } { x - 7}#?
  
• How much is forty minus seven hundred?
  
• How do you simplify #\frac{20-0}{33-5}#?
  
• My fiance and I are planning to get married two years from now. She has an O- blood type and I have a B+ blood type. Can any complications arise if we conceive a child as a result of our blood types? If so, what are they and is there a solution?
  
• What on the blood determine a person's blood type?
  
• What are the the body's defenses? How do they differ from each other?
  
• One number is 2/3 of another number. The sum of the two numbers is 10. How do you find the two numbers?
  
• What part of speech is the word "absurd"?
  
• Mariposa needs a number of 0.3125-inch strips of wood for a model she is building. How many of these strips can she get from a 5.625-inch wooden board?
  
• What are the accessory organs of the eye and what do they do?
  
• Vertebrae are examples of what type of bones?
  
• How do you simplify #sqrt(50a^3b^5)#?
  
• Question #f9b16
  
• Victoria's printer can print 8.804 pages in one minute. If Victoria prints pages for 0.903 minutes, about how many pages will she have?
  
• How many teeth does the average human have?
  
• Question #3305b
  
• Tim bought 9 new baseball trading cards to add to his collection. The next day his dog ate half of his collection. There are now only 24 cards left. How many cards did Tim start with?
  
• Question #307bf
  
• How does material move from the respiratory system to the circulatory system?
  
• What number is 38% of 60?
  
• If different atoms have the same number of protons but different numbers of neutrons what are they called?
  
• What happen when the retina absorbs light?
  
• Where does the carbon dioxide that we exhale come from?
  
• How do you evaluate #35- 5\times 2+ 9\div 3#?
  
• How is the release of anterior pituitary hormones regulated?
  
• What degree of comparison is used in the sentence: "Some of the groceries are more expensive each week."?
  
• How does the skeletal system change as we grow?
  
• Question #88b5b