3 years ago

Please help quick! It is due in 20 min! Please help!

Mathematics

1 answer:

Korvikt [17]3 years ago

3 0

Answer:

Step-by-step explanation:

1. (a + b) (a - b)

2. 2

3. 4.5 or 4 $\frac{1}{2}$ or $\frac{9}{2}$ or if u wanna round up then 5

hope this helps :)

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