for ln(x), the base is e, the natural base (aprox equal to 2.718281828454590...) or 
for log(x), if no base is stated, assume base 10 or 
Answer:
Step-by-step explanation:
6-$10 12-$20 15-$25
part 2 $40
Answer:
101
Step-by-step explanation:
Positive is more than negative
Answer:
A just add the amount of time to the miles and then multiply the rest