Find the difference.
-7 - (-2) =

-7-(-2)

=> -7+2

=> -5

Hope it helps!

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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