exam Maths Puzzle Numerical Ability

What is the relationship of the slopes of perpendicular lins with slopes m1 and m2

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You, who is 5'3''tall, are shooting a free throw at Madison Square Garden. The path of te ball is parabolic in shape and reaches it's maximum height of 11.5' when the ball is 10 fe A long-distance phone call costs $1.11 for the first minute and $0.97 for each additional minute or portion thereof. Write an inequality representing the number of minutes a perso