Answer:
B. -1
Step-by-step explanation:
Use the slope formula to find the slope m
.
Answer:
a)
, b) 
Step-by-step explanation:
a) The indicator is equal to the ratio of total time to travelled distance:
Alex


b) In the case of Josh, the ratio must be greater than x. Then:


3. 20's prime factorization is 2,2,5
The area is 1. Hope this helps.:)