exam Maths Puzzle Numerical Ability

i need help asap on these 3 word problems, please help me by tonight. here's what the problems say.

#1
Business: for excercises "a" and "b", use the following information.
nic

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exam Other Question

factor 4p2q+pq2+4p3 How can f(x)=|2x|-|x-| be simplified? How is written without absolute value bars. Any help will be appreciated. This is not problem from our book.