exam Maths Puzzle Numerical Ability

36. lines through (-2,0) with slope -3/4.

38. line through (0,9) that is parallel to the line 3x + 5y =15.

40. line through (-2,4) that is perpendicular to the x-axis.

42. slope intercept form. y + 2 = -6 (x-1)

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exam Other Question
y/2+5=12 Driving down a moutain, Tom finds that he has descended 1800 ft. in elevation by the time he is 3.25 mi. horizontally away from the top of the mountain, find the slop of his descent to the nearest hundreth.