exam Maths Puzzle Numerical Ability

25x = 91 - a6y
16y = 64 - 16x

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exam Other Question

Express the equation in point slope form and ax + (or) - by= + (or) - c

With slope -1/3 passing through (-2,-5) Television sets: What does it mean to refer to a 20 inch tv set or a 25 inch tv set? Such units refer to the diagonal of the screen. A 20 in set has a width of 16 inches what is the height?
What is the height of a 20 inch TV? _____inches