exam Maths Puzzle Numerical Ability

Which of the following values of w satisfies the inequality |w|>9?
-10
-4
0
4
9

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exam Other Question

Solve by completing the square
x^2+18x+80=0

Thank you the perimeter of a garden is 16 feet. let x represent the width of the garden.

a. write an equation for the area of the land, y, in terms of x.

b. sketch the graph of the equ