Answer:
Step-by-step explanation:
You can look at it and see that 1/3 is added to each term. The common difference is 1/3. If you want to be be more formal,
d = d4 - d3
d = 0 - - 1/3
d = 0 + 1/3
d = 1/3
Answer:
0.485
Step-by-step explanation:
Answer:
8,580ft
Step-by-step explanation:
10ft×12ft×13ft×11ft=17,160ft
17,160÷2=8,580ft