Question: What's the solution for this? 5. a) Write a simplified expression for the area of the rectangle. 4 5 x +4 x + 6 x

What's the solution for this?

5. a) Write a simplified expression for the area of the rectangle. 4 5 x +4 x + 6 x +3 2x + 1 6. The height of a water balloon thrown from the top of a building is modelled by h = -512 + 15t + 20, where h is the height in metres and t is the time after the balloon was thrown in seconds. a) What is the height of the building? O b) Factor the expression for the height of the water balloon. 3 c) What is the height of the ball after 4 seconds? Explain what this means. 2

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