7. 5/1 x 1/2 = 5/2
8. B
9. A
10.B
11.D
12. obtuse
9514 1404 393
Answer:
the marked choice is correct
Step-by-step explanation:
The initial term is a1 = 100. The common ratio is r = 110/100 = 1.1. The generic term is ...
an = a1·r^(n-1)
Filling in the known parameters, we find the sequence terms sn to be ...

The answer is -6. Thought there is a chance I am wrong. Need an explanation?
Answer:
62.5
Step-by-step explanation:
speed = distance / time taken
= 125/2
=62.5miles per hour