Question

iii) Tick all expressions that are equivalent to 3u + 6 u
a)u +9
b) 9
c) 7 u+(-3 u )+5 u 0521
d)2u


iv) Tick all expressions that are equivalent to 21 a / 7
a) 3a
b) 3 x a
c) 39
d) a3


Pls with how to do
pls and correct answer ​

Answer 1

Step-by-step explanation:

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