Answer:
1. 220 minutes
2. $45.6
Step-by-step explanation:
-11 is the answer
2(-2)-3(3)-(-2)
-4-9+2
-13+2
-11
Answer:
c
Step-by-step explanation:
Given that:

since cos (kπ) = 
Then, the series can be expressed as:

In the sum of an alternating series, the best bound on the remainder for the approximation is related to its
term.
∴



