exam Maths Puzzle Numerical Ability

the polynomial f(x) divided x-3 results in a quotient of x2+3x-5 with a remainder of 2. find f(3)

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exam Other Question

At noon, your family starts out from Louisville to go to Memphis driving at 40mph. Your uncle leaves Memphis to come to Louiville two hours later. He is taking the same route and a poster is 25 cm taller than it is wide. it is mounted on a piece of cardboard so that there is a 5 cm border on all sides. if the area of the border alone is 1350 cm^2, what are the dimensions of the poster?