exam Maths Puzzle Numerical Ability

Jerry earned $18,500 one year and then received a 10.5% raise. What is his new yearly salary?

For this one would I just multiply 10.5 and 18500? Then add that amount to the 18500?

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exam Other Question

Resolve 7-8x/(1-x)*(2-x)into partial fractions.Hence find the expansion of the function in ascending powers of x as far as three nonzero terms. State for which values of x this expansion is valid

I need this answer,today.Please. find f(-3) when f(x)=2x^2-7x+8.