Answer:
130/81
simplified: 1 49/81
Step-by-step explanation:
I did the math
The answer is
3a^6 - 2a^5 + a^4
At her current rate it will take here 70 minutes to finish the race
-$7
20 - 15 = 5
5 + 5 = 10
10 - 10 = 0
0 - 7 = -7
