exam Maths Puzzle Numerical Ability

What precent of 120 is 15?

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exam Other Question

your final answer for each part must be a polynomial in standard form

a) addition (12y^3-20y^2-10y+19)+(15y^4-17y^3+24y^2+29y-15)


b) subtraction (-19y^3+19y^2+3y+19)-(-8y^3-30y^2-2y-25)
Can you please help me solve the following problem:

For the given polynomial P(x) and the given c, use the remainder theorem to find P(c).

P(x) = x^2 + 12x + 31; -5

Than