exam Maths Puzzle Numerical Ability

Yuri has a board that is 98 in long. He wishes to cut the board into two pieces so that one piece will be 10 in. longer than the other. What should the length of each piece be?

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Janet invested $31,000, part at 10% and part at 1%. If the total interest at the end of the year is $1,390, how much did she invest at 10%?

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State the shift of y=cos(Ө-π/3). Then Graph the fuction.

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