84 and 6 i believe not sure tho
complementary adds to 90°
Answer:
a
Step-by-step explanation:
Answer:
when
, 
the slope is 0
Step-by-step explanation:
There isn't much to explain.
We are trying to find miles/hour, which shows that we are going to be dividing the total number of miles by the total number of hours. Thus, in this case, the miles/hour rate will be:

He drove 40 miles in one hour.