Answer:
The choice third ; a=9 , c= 18
Step-by-step explanation:


Like terms are terms that have the same variable and/or "pesty" numbers.
2y^3 and 4y^2 are like terms, so are y and y^3, since they all contain the variable, Y.
D. 32
By paying attention to the hole number and ignoring the fraction. You can see the pattern is doubling each time. 4, 8, 16, 32.
The answer is 10 3/8, simplified to the max.