See, please, the solution for the task number 2.
Answer:
C
Step-by-step explanation:
If you add all of the numbers together, that is the denominator, 70. The amount of purple is 17, the numerator.
= -30a^5b + 12a^4b^3 + 6a^3b^2 + 10a^3b^2 - 4a^2b^4 - 2ab^3
= -30a^5b + 12a^4b^3 + 16a^3b^2 - 4a^2b^4 - 2ab^3
answer
B. -30a^5b + 12a^4b^3 + 16a^3b^2 - 4a^2b^4 - 2ab^3