exam Maths Puzzle Numerical Ability

Compute the dimension of span {v1,v2,v3} where

v1= 1 v2= 2 v3= 3
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exam Other Question

Can someone help me on this problem?

I need to graph the solution set of the following inequalities:

x > 4
<______________>

Thanks,
Lyn
Find two positive real numbers that differ by 2 and have a product of 10.