exam Maths Puzzle Numerical Ability

A roof rises 7.5 ft over a horizontal distance of 12.27 ft. What is the slope of the roof to the nearest hundredth?

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exam Other Question

State the domain of the rational expression in the set builder notation.
6x^2-11x+3/4x^2-12x+9 Please can someone help me. I am having trouble with this problem on a homework sheet.

3.) Write the series in summation notation. Use the index i and let i begin at 1 in each