exam Maths Puzzle Numerical Ability

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Question: A long-distance phone call cost $1 for the first minute and $0.55 for each additional minute or portion thereof. Write

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Find the slope of the line passing through the points (3, 5) and (3, -5)

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JMS
19. Solve. 10x-1/4=9x+3/8

24.Graph the solution set of x<-1.


22. Solve. 8-(4x-3)=19


30. Find the slope of a line passing through the points (0,2)(-10,9)