Math 20 points explain the difference between finding the gcf and the lcm of variables. refer to answer for parts a and c above in your explanation.

I believe the answer to both questions is:

c. 2a

a. 2a

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

happy to

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