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• Square both sides 30x + 15 = x^2 + 16x + 64 x^2 - 14x + 49 = 0 (x-7)^2 = 0 , x=7

  in How do I solve this algebra problem? Comment by admire June 2021
• Aluminum is correct for question 1) r = √(p - 7) 2. Length of wheel with radius 21 cm = 2 * 22/7 * 21 = 132 cm 132 cm ----> 1 revolution 66 m = 6600 cm = 6600/132 = 50 revolutions

  in Maths problem. help!!? Comment by admire June 2021