exam Maths Puzzle Numerical Ability

For the floor plans given in exercise 27, determine whether the side through the points (2,3) and (11,6)is perpendicular to the side through the points
(-3,18) and (8,21) (The fl

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Solve this problem by using long divison: 3x^4-9x^3-36x-44 divided by x-4

Thank you for any help A forester mixes gasoline and oil to make 2 gallons of mixture for his two-cycle chain-saw engine. The mixture is 32 parts gasoline and 1 part two-cycle oil. How much gasoline must