exam Maths Puzzle Numerical Ability

find determinant by: 4 2 -3 Row2 and column 1
5 1 0
-6 7 -2

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exam Other Question

what is the equation that goes with this table:

x: 1, 1.2, 1.8, 2.4, 2.8, 3, 3.2,3.5,3.8
y: 6.2, 5.2, 3.5, 2.6, 2.2, 2.1, 1.9, 1.8, 1.6
If one interger us represented by n, then teh next largest consecutive interger would be...
a)n+1
b)n+2
c)n-1
d)n-2