Answer:


128-72=56
average rate of change is 56
Step-by-step explanation:
Plz let me know if im right
Answer:
You and your friend spent $17.30 together
Step-by-step explanation:
3.49 x 2 = 6.98
6.98 + 4.82 = 11.8
11.8 + 5.50 = 17.3
6a³-18a²-1620a
Collect 6a:
6a(a²-3a-270)
6a(a-18)(a+15)