exam Maths Puzzle Numerical Ability

simplify 3y-(6y+2)(-y)

simplify (-7x+x^2)(-x)+x^2 that is x squared ^2 Thanks for all your help

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exam Other Question

What is 33 1/3 % of 18.

The answer is 5.994
If i want to have 85,000 in 10 years.
How do I figure out how much i need to start with if i have a 5% annual interest rate, compounded monthly.
How do i work this out.
I u