exam Maths Puzzle Numerical Ability

I have several questions:

Write a rule for the pattern:
-3,-9,-14,-42,-47,-141

Round the number to the place value given:
591,912, the nearest thousand

Write 29.587 i

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exam Other Question
r not equal to +/- 2, r^2-5r+6/r^2-4= Rose's garden is in the shape of a trapezoid. If the height of the trapezoid is 16 m, one base is 20 m, and the area is 224 m to the second power, find the length of the other bas