Answer:
The correct answers are
Sal walks 14 km in 4 h
Sal walks 3.5 km in 1 h
Step-by-step explanation:
Given:
Distance represented by Y axis in kilometer.
Time represented by X axis in hour,
The graph of line is showing distance walked. And the two points are (1, 3.5) and (4, 14).
In plotting of points the first coordinate is always the X coordinate that is time in hour here, and the second coordinate is always the Y coordinate that is distance in km.
Therefore, the given below two options are correct
Sal walks 14 km in 4 h
Sal walks 3.5 km in 1 h
Each question has 2 possible answers.
There are 13 questions.
Number of different ways =
Answer: There are 8192 different ways.
For this case we must add the terms of the following expression:

It is noted that the terms are similar, so we can add:
We take common factor 

We add the terms within the parenthesis:

finally we have:

Answer:

Answer:
x=40 degrees y= 40 degrees
Step-by-step explanation: