1.

or if you mean (3x^3+5x^2+3x-7)+(8x-6x^2+6):

2.

Answer:
5
Step-by-step explanation:
21-6=15/3=5
Answer: If you divide 202/4=50.5 or 50 1/2
Step-by-step explanation:
The answer is a
because you would add 12 to x x being the bag
Answer:
The statement written as a formula is. a12a9=125. We can simplify the fraction, and we have. a3=125. To solve for a , take the third root
Step-by-step explanation: