y=a(x-h)^2+k are (2,0), (-4,0), (0,16). Solve for a, h, and k. Present answer in form y=a(x-h)^2+k.

y=a(x-h)^2+k are (2,0), (-4,0), (0,16). Solve for a, h, and k. Present answer in form y=a(x-h)^2+k.

A construction company needs to remove tons of dirt from a construction site. They can remove tons of dirt each hour. How long will take to remove the dirt?

Directions say to prove the algebraic identity by starting with the Left hand side expression and supplying a sequence of equivalent expressions that ends with the right hand expressions

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