exam Maths Puzzle Numerical Ability

-2a(-3c)+(-6y)(6r)

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exam Other Question


Find the distance between P(-2.5, 3.5) and R(-7.5, 8.5) to the nearest tenth. anybody know how to simplify this expression?

16x^2 + 8x - 4 OVER 4

or: 16x^2 + 8x - 4 / 4

thanks for your help. I NEED it. :)