Answer:
The pattern is that they are multiplying by -3 every time. 81*-3 = -243
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
Answer:
2x + 3
Step-by-step explanation:
Let the number be x
2x + 3
Hope it helps :)
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Answer:
The markup for the shoes is 20 percent.
Step-by-step explanation: