exam Maths Puzzle Numerical Ability

How do i graph the inequality x<-2.

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exam Other Question

A student has a total of 244 points from 3 tests. The first test score was 20 more than the second test score. The sum of the second and third test scores was 60 points more than the first test score. Find each test score. Find the center of the hyperbola:

x^2+2x-16y^2-15=0