exam Maths Puzzle Numerical Ability

x^2+7x+10=0

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exam Other Question

Solve each of the following systems by addition. If a unique solution does not exist, state whether the system is inconsistent or dependent.

2x + 3y = 1
and 5x + 3y =16

x+5y = 10
and -2x - 10y = -20 A coordinate grid is placed over a map of Pineville. The police department is located at (-12,7) and the fire department is located at (-6,6). What are the coordinates of the town hall, which is located halfway between the police and fire deparments?