exam Maths Puzzle Numerical Ability

A temperature of 10°C corresponds to a temperature of 50°F. Also 40°C corresponds to 104°F. Find the linear equation relating F and C.

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exam Other Question

calculate the distance between two points:
a. (0,0) and (-3,4) b. (2,1) and (7,13)

D= sqrt [(x2-x1)squared+(y2-y1)squared]
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