book Maths Puzzle Numerical Ability

can you give me the formula to work out the hypotenuse when I only know 1 length & the three angles of the triangle

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book Other Question

Divide the rational expressions. Simplify the result.


(48x^2/y) / (36xy^2/5)
A storekeeper wishes to make 20 pounds of trail mix. Starting with 10 pounds of raisins @ $3 per pound he adds peanuts @ $4 per pound and M&M's @ $5 per pound. How many pounds of p