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(X+4)(X-5)

x=3, y=2

We are asked to calculate (64x1000)^1/3. We can use the laws of indices to write that expression as 64^1/3x1000^1/3, which is easier to evaluate. To work out 64^1/3...

x=5 and x=7

The equation for the area of a triangle is 1/2 x base x height
So, first we need to know the length of the base and the height of the triangle.
We know that the perimeter of the triangle is 72...