You find the slope of the line by using the formula 
where x1 and y1 is the first point, and x2 and y2 are the second point.
How long did she ride it for?
otherwise it would be 5.3 kph
D. 50 mph
Going upstream takes longer because of the flow of the water
Answer:
7
Step-by-step explanation:
This a special 90° 45° 45° triangle and is an Isosceles triangle at the same time
Of one of the equal side is 7 than the other one too must be 7
