exam Maths Puzzle Numerical Ability

3. 2^r+1= 4r

4. 3^2x = 27^x+1

5. 5^x-1 = 1/125

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exam Other Question

Which ordered pair is a solution to 3x-4y=-1? A guy wire is attached to a power pole at a point of 50 feet above the ground. If the wire make a 30 degree angle with the pole, dtermine the amount of guy wire needed from the pole to the ground.