Answers edited by Ricardo A.

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• 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?
  
• How do you factor #36p^4-48p^3+16p^2#?
  
• 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?
  
• If #5*sinA = 3# , then what is the value of #tanA#?
  
• How do you solve #\frac{70}{9} n = - 7#?
  
• Question #47ae6
  
• 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...?
  
• Which is the probability of rolling the following sums with two number cubes?
  
• How was the world created?
  
• Physicians often ask for urine samples collected over a 24-hour period, rather than a single sample. Why?