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Please help!! Would be appreciated:)

Please Help Would Be Appreciated class=

Sagot :

Answer:

A. 21

B. 19

Step-by-step explanation:

Happy to help!

:D

Answer:

below

Step-by-step explanation:

3 a) 7 * 4 -7

--> 28 -7 =21 cm^2

b) 19 cm^2