:) (10.2 only)
A rectangle has a length of (2x + 4) cm and a breadth of 3x cm.

For what values of x will the rectangle be a square?
(x=2 for the rectangle)
(the sides of the rectangle are 8cm by 6cm)

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Alcoa was $10.02 a share yesterday. today it is at $9.75 a share. if you own 50 shares, did ou have capital gain or loss ? how much of a gain or loss did you have ? express the capital gain/loss as a percent of the original price