Answers edited by Suren Abreu

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• What on the blood determine a person's blood type?
  
• Where does the carbon dioxide that we exhale come from?
  
• Question #606dc
  
• 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?
  
• How does the skeletal system change as we grow?
  
• Why is placenta previa more common in females?
  
• 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?
  
• 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?
  
• 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 is the release of anterior pituitary hormones regulated?
  
• Vertebrae are examples of what type of bones?
  
• One number is 2/3 of another number. The sum of the two numbers is 10. How do you find the two numbers?
  
• How much is forty minus seven hundred?
  
• 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 is the function of cardiac muscles cells?
  
• How do you simplify #\frac{20-0}{33-5}#?
  
• Question #307bf
  
• How do you evaluate #35- 5\times 2+ 9\div 3#?
  
• Where is the esophageal section of the stomach located?
  
• How many teeth does the average human have?
  
• Why does water roll off a person's skin when the person gets out of a swimming pool?
  
• What are the accessory organs of the eye and what do they do?
  
• How do you simplify #sqrt(50a^3b^5)#?
  
• Question #88b5b
  
• What degree of comparison is used in the sentence: "Some of the groceries are more expensive each week."?
  
• What part of speech is the word "absurd"?
  
• What happen when the retina absorbs light?
  
• Question #3305b
  
• How do you solve #x^ { 4} - 51x ^ { 2} = - 50#?
  
• If different atoms have the same number of protons but different numbers of neutrons what are they called?
  
• 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?
  
• 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?
  
• How do you evaluate #8- 12\div 3+ 21\div 7#?
  
• How do you solve #1+ \frac { 1} { x - 7} = \frac { 4x } { x - 7}#?
  
• Question #db389
  
• What number is 38% of 60?
  
• What are the the body's defenses? How do they differ from each other?
  
• How do you multiply #4\sqrt { 27} \times \sqrt { 12}#?
  
• What pulmonary blood vessel carries oxygen-rich blood?
  
• Question #f9b16
  
• How does material move from the respiratory system to the circulatory system?