book Maths Puzzle Numerical Ability

The sum of 5 and a negative integer is greater than -4 and less than 0. How many possible negative intergers satisfy the information?

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book Other Question

if the box has a surface area of 214cm squared, find the the value of x. side1 is x+1, side 2 is x+2 and side 3 is x Can you please let me know if I am correct.

(x-3)squared (y-2)squared
------------ + ------------- = 1
9 4

is this an ellipse?