exam Maths Puzzle Numerical Ability

solve by using quadratic formula
t^2 + 2t + 2 = 0

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exam Other Question

1.find perimeter of a square with diagonal of 12 centimeters
2.find the diagonal of a square with a perimeter of 20 inches
3.find the diagonal of a square with a perimeter of 28 inches Jim's doctor has prescribed medication that he must take every 5 hours. He started the medication at 10:00AM on Thursday. What is the first day on which she will take her medicat