3 years ago

Please could someone help

Mathematics

1 answer:

Helga [31]3 years ago

5 0

1. 4x
2. (x+7)(x-7)
3. 25
4. 64
5. 4
6. 15
7. x^2-8x+16
8. 15.4x10^-3
9.5g/cm^3
10. (y/a)/b

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