exam Maths Puzzle Numerical Ability

The perimeter of a triangle is 50 centimeters. Side b is 4 centimeters longer than side a. Side c is 9 centimeters shorter than three times the length os side a. find the length of each side.

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exam Other Question

A roof rises 9.75 ft over a horizontal distance of 17.24 ft. What is the slope of the roof to the nearest hundredth? The following is a word problem given by my teacher:

Write an equation for the line in point/slope form and slope/intercept form that passes through (1,4) and parallel to the line 2x-3y=6.