Answer:
70
Step-by-step explanation:
Finding the common denominator is really just finding the gcf of 7 and 10. The gcf of 7 and 10 is 70. So the common denominator is 70.
1. A
2. D
3. D
4. C
Hope this helps! :)
43/40x^3-5x^5+2
the answer is C LOLOLOL
