Answers edited by Ricardo A.

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• How was the world created?
  
• Given #a_1=4#, what is the 7th term of the recursive sequence using #a_n= 2a_(n-1) - 3#, for #n>=2#?
  
• How does accretion explain planet formation?
  
• Curtis can unload a truckload of hay in 30 minutes, but it takes Ronnie 40 minutes to do the same. Working together, how many minutes will it take them to unload 35 truckloads of hay?
  
• How do you factor #36p^4-48p^3+16p^2#?
  
• Question #47ae6
  
• Which is the probability of rolling the following sums with two number cubes?
  
• Question #de0ac
  
• The product of two consecutive negative integers is 600. What is the value of the lesser integer?
  
• How much space in the universe does Earth take up? How would you describe this as an analogy, like a grain of sand in comparison to our entire Earth?
  
• What would the formula for the nth term be given -2, 6, -18, 54...?
  
• Physicians often ask for urine samples collected over a 24-hour period, rather than a single sample. Why?
  
• How do you solve #\frac{70}{9} n = - 7#?
  
• If #5*sinA = 3# , then what is the value of #tanA#?