exam Maths Puzzle Numerical Ability

Solve the system:

2x + 4y = -8
3x + 2y = 0

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exam Other Question

Solve. Approximate to four decimal places.

4^(3x+2)=9 FBI showed that for about 80% of all property crimes criminarls are never found and the case is never solved. A neighborhood reports 6 crimes, not always by the same criminals.
a)