exam Maths Puzzle Numerical Ability

How do you plot x+2>6 on a number line? I am not sure how to solve this problem.

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exam Other Question

In the right triangle ABC(C= 90 deg.) a and c are labeled. Cos B = .4 and a=3 find c (hypot.)? A balloon is secured to rope that is staked to the ground. A breeze blows the balloon so that the rope is taut while the balloon is directly above a flag pole that is 20 feet from