Answer:
they are adding by 3 1 and 0
Step-by-step explanation:
Answer:
For the first 30 minutes, we will have a line with a given steepness, this will represent the 30 minutes riding at a fast pace.
Then he stops for 20 minutes, we will represent this with a constant line.
Then he again moves for another 30 minutes, but with a slower pace than in the first 30 minutes, then this line will be less steep than the first line.
A sketch of this situation can be seen below.
Answer:
Option D
Step-by-step explanation:

For F=77°F

Answer:
It depends, Y or X have to be set up to get an actual number because you can simply plug any numbers.