exam Maths Puzzle Numerical Ability

Solve the equation.
4(x + 6) = (4x + 24)

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exam Other Question

) Geometry. For the floor plans given in Exercise 27 (p 627, but the necessary information to solve the problem is included here), What is the quadratic function that has a vertex at (-1,-3) and a y-intercept of -4? I think the answer is y=-(x+1)^2-3. Can someone please let me know if I am correct?