Answer:
is it adding or subtraction
Answer:
50
Step-by-step explanation:
The slope is change in y divided by the change in x
Change in distance / change in hour
m = (400-200)/(8-4)
= 200/4
= 50
Answer:

Explanation:

simplify the following

subtract 1 from both sides

simplify the following

multiply both sides by 1/3

simplify the following

Answer:
r=4
Step-by-step explanation: