exam Maths Puzzle Numerical Ability

1. Suppose that the number of new homes built H in a city over a peroid of time T is graphed on a rectangular coordinate system where time is on the horizontal axis. Suppose that

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exam Other Question

Find all positive values for k for which the following can be factored.

x^2+x-k

I have no clue what to do with this......can you please help me? Thank you! Tim paddled his kayak 12km upstream against a 3km/h current and back again in 5 h 20 min. In that time how far could he have paddeld in still water?