exam Maths Puzzle Numerical Ability

A lady bug is walking on the top edge of a bucket. If the radius of the opening is 8 inches and the lady bug has walked a path that is 14 inches long, what is the radian of measure of the central angle it has traveled?

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exam Other Question

Mr. Joyce inherited a sum of money. He invested 2/5 of this sum at 4%, 1/3 at 5%, and the rest at 3%. If the annual income from these investments was $610, find the amount of money he inherited. Hey!..can u please help me with this problem?..it has to be factored completely.

8b^2+12b+4

thanks!