book Maths Puzzle Numerical Ability

Find the area of a parallelogram ABCD, given that AB = BE = ED = 1, and angle ABE = 90 degrees.

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Madison drives to work at a speed of 45 mph and arrives 1 min early. At 40 mph, she would arrive 1 min late. HOw long is her trip to work? Question; Decide whether of not the equations has a circle as its graph. If it does, give the center and the radius. #20. x^2-12x+y^2+20=0 Thank you so much for your help. Angela