Posted by **J** on Thursday, February 3, 2011 at 4:42pm.

How do I solve these questions?

3 1/3 - 2 2/5=

2.75 + .003 + .158 =

7/20 is equal to ?

What is the value of the expression

2x2+ 3xy – 4y2

when x = 2 and y = - 4?

16x - 8 =

If 2x – 3(x + 4) = - 5, then x =

– 3(5 – 6) – 4(2 – 3) =

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