exam Maths Puzzle Numerical Ability

A dodecahedron is composed of how many reguar polygons??

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exam Other Question

The cost for a long-distance telephone call is $0.36 for the first minutes and $0.21 for each additional minute or portion thereof. Write an inequality representing the number of minutes a person could talk without exceeding $3.00. please help me find the linear equation of y=-x-1