exam Maths Puzzle Numerical Ability

Solve by using the quadratic formula. Express your answer in simplified radical form.
x^2 = 3x + 1

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exam Other Question

c=5/9(f-32) need to isolate for f Jeff starts driving at 55 mph from the same point that Lauren starts driving from 70 mph. They drive in opp. Directions and Lauren has a half hour head start. How long will they be able to talk on their cell phone and have a 440 mile range.