Answer:
Step-by-step explanation:
= 7.4z + 8z - 12
= (7.4 + 8)z - 12
= 15.4z - 12
Answer:
1, 2, 8, 128, 32768
Step-by-step explanation:

Thus the first five terms are: 1, 2, 8, 128, 32768.
Since a,b and c is 80 then d and e is 6
Answer:C
Step-by-step explanation: Divide the cost by the amount of pencils to find what each pencil cost. Choose the lowest cost per pencil.