exam Maths Puzzle Numerical Ability

For safety reasons, the base of a 26 foot ladder should be at least 8 feet from the wall.How high can a 26 foot ladder safely reach?

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exam Other Question

Please show me how to solve. inequality, giving its solution set in both interval and graph forms. and check the answer? Thanks

m - 2(m-4)(< or equal to) 3m
write an equation in slope intercept form of the line that passes throught the points

(-5,9),(-2,0)