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Maths Puzzle
Numerical Ability
A.how many 12 inch square tiles would be necessary to cover the floor of a square room that measures 14 feet on a side?
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need a system of equations for this prob: an airplane flew 4 hours against a wind of 40 km/h. on return he was flowing with the wind and flight was 3 hours. whats speed of airplane in still air.
Find the slope of the line passing through the points (-4, 0) and (-4, -2).
A) 0 B) 1 C) -2 D) Undefined