exam Maths Puzzle Numerical Ability

Use the Remainder Theorem to find P(c). P(x) = x4 + 3x2 + 1, c = 3

I came up with 107 I am not sure this is right?

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exam Other Question
X=2y-7
3X +2y=-5
use addition method write an equation of the line that passes through the point (-5,5) with slope -2.