exam
Maths Puzzle
Numerical Ability
Bob invested $28,000, part at 19% and part at 17%. If the total interest at the end of the year is $4,920, how much did he invest at each rate?
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exam Other Question
Given f(x) = , find f(-1).
I hope this is the right topic! I am not sure where to start with this....
The volume of the box is represented by (x^2+5x+6)(x+5). Find the polynomial that represents the area of the bottom of the box.
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