exam Maths Puzzle Numerical Ability

Write a verbal expression for each algebraic expression:
4(n2+1).

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exam Other Question

Suppose you travel north for 65 kilometers and then east for 75 kilometers. How far are you from your starting point? Can you show me step by step how to do this problem and what formula to use. I have been trying to figure out how this is set up but I am confused. So far I not sure if this is the right set up: n-4=96

Word Problem:
The product of a number and 4 less than the number is 96. Find the number.