Divide up the number 73 in the ratio 2:3:4

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Which equation and solution can be used to solve this problem? thirteen less than a number is sixteen. 13-n=16: add 13 to both sides. the answer is 29. n+13=16: subtract 13 from both sides. the answer is 3. n+16=13 subtract 13 from both sides. the answer is 3. n-13=16: add 13 to both sides. the answer is 29.

Which value is not a solution of 8x^3 – 1 = 0

If value of cos330° is √3/2 then find tan165°.