exam Maths Puzzle Numerical Ability

Determine the solutions for the following polynomial equation. Use decimal approximations accurate to two decimal places if necessary.

3x^2 - 19x - 7 = 0

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exam Other Question

The length of the shadow of a tree is 30 feet. At the same time of the day, a birdbath with a height of 3 feet has a shadow of 2 feet.

What is the height of the tree? what is the cube root of 343/512