exam Maths Puzzle Numerical Ability

Write in Logarithmic form

(4/11)^-3=1331/64

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exam Other Question

how can i relate common difference to slope? i'm very familiar with what the common difference of a sequence is, but how can i graph the arithmetic sequence? Do I use the TERM NU solve the inequality, with answer in interval notation

|2x-3| is less than or equal to 20