Change r
---------- = ------- you use this formula, then cross multiply.
original 100
56-45 =change original=45
Answer: yes!!!!!!!!!
Step-by-step explanation:
Divide the top and bottom by the highest number that can divide into BOTH numbers.
To simplify the given equation, you want to combine like terms. Since both terms have x^8, we can add the coefficients and leave the x^8
3x^8-7x^8 (do 3-7)
=-4x^8 so the answer is C
Hope this helps