Book Maths Puzzle Geometry

What is the length, in simplified form, of the hypotenuse of a right triangle whose legs are 33 and 44 units long?

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Book Other Question

Lina Chen invested $24,000, part at 8% and the rest at 7.2%. How much did she invest at each rate if her income from the 8% investment is two thirds that of the 7.2% investment? The ratio of jacks to marbles in the bowl was 2 to 5. If the bowl contained 350 jacks and marbles, how many were marbles?