Answer:
0.64
Step-by-step explanation:
Divide and multiply by 100.
Answer:
make the picture more clear its hard to see.
Step-by-step explanation:
Answer:
21
Step-by-step explanation:
Answer:
2.
3.
Step-by-step explanation:
We add like terms together to simplify
2. 3x²-4x²= -x² -2x+5x= 3x 6+9= 15 all equal to -x²+3x+15
3. 2x²-3x²= -x² 6x-7x= -x 8+1=9 all equal to -x²-x+9