Answer:
hey i know this might not help the way you want it to but try using khan Academy these videos might be helpful
Step-by-step explanation:
Answer:

Step-by-step explanation:
A highway engineer wants to compute the change in elevation of a section of road. The horizontal distance of this section of road is 2km and downgrade is 8%
The slope formula is given by

m = 8% = 8/100
run = y = 2km




Verification:
%
Answer:
94.8
Step-by-step explanation:
94.8 is the answer for 1st q
Answer:
I believe it is 40,000.
Step-by-step explanation:
62,251 to the nearest 10,000 is 60,000 and 21,123 to the nearest 10,000 is 20,000. 60,000-20,000=40,000.
Level, x 1 0.8 0.65
time, y 0 1 2
The graph is not a straight line, it is curved. You can observe this only if you include the point (1,0), which is the level at the begining (100%)
The y - intercept is the full level, at the beginning of the experiment.