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

8/9T = 64
what is the break down on solve the problem an escalator lifts people to the secomd floor, 25ft above the first floor. the escalator rises at a 30 degree angle. how far does a person travel from the bottom to the top of the escalator?