Answer:
use formula length × width ×height
Step-by-step explanation:
plug in what they have given you
7x^25 :)
1: 7x,
2. 7x^5,
3. 7x^9,
4. 7x^13,
5. 7x^17,
6. 7x^21,
7. 7x^25
Have an amazing day!!
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c