Answer:
2x²-7x
Step-by-step explanation:
7x²-5x²=2x²
10x-3x=7x
297:5.5
divide 5.5 by both sides which
5.5 divided by 5.5 is 1 and 297 divided by 5.5 is 54
1:54
the unit rate:
54 minutes per word or 54/1
Eighty five million, one hundred nine thousand, one hundred seventy-eight.
