HELP QUICK The number of miles that can be driven is proportional to the number gallons of gas. The graph of the equation y = 31x shows this relationship.
Explain why the ordered pair (0, 0) is on this graph.
A. When the tank is full, 0 miles can be driven.
B. When 0 miles are driven, there is no gas used.
C. When there is no gas in the tank, 0 miles can be driven.
D. When the tank is full, the driver does not have to worry about how much gas is used?

What is the length of an with endpoints a 3,2 and b 8,14

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?