Answer:
the answer is -1
Step-by-step explanation:
14)
2(-3)² => 2(-3)(-3) => 2*9 = > 18
27+18-11 => 27 + 7 = > 34.
16)

17)

30 notebooks, 300 notebooks divided by 10 = 30
Answer:
2520ft
Step-by-step explanation:
Answer:
10560 feet
Step-by-step explanation:
multiply the length value by 5280