exam Maths Puzzle Numerical Ability

I need helpwriting the equation of the hyperbola in standard form, while identifying the vertces and foci.

x^2-25y^2-14x+100y-76=0

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exam Other Question

The density of a block of wood is 0.64g/cm^3. What is the volume of the block if its mass is 29 g? Instructions: Solve each system by the elimination method.

What is the solution for 5x-y=5
-5x+2y=0