Answer:

Step-by-step explanation:
LCD: 10

answer: 
It is none of them
9x³ - 4x³ = 5x³
3x² - -2x² = 3x²+2x² = 5x²
-3 - 16 = 13
So :
5x³ + 5x² +13
Answer:
x² = y
Step-by-step explanation:
x² = y fit one input to one output property of function
Answer:
1
Step-by-step explanation:
Anything to the power of 0 equals to 1
Since this is 3 to the power of 0, it will equal to 1