A shape is shown on the centimetre grid below. Work out the area of the shape after it has been enlarged by scale factor 2. State the units of your answer.

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?

If f(x) = 3x2 - 2x+4 and g(x) = 5x + 6x - 8, find (f-g)(x).

Care repairs are less than or equal to $500