The average speed of a train, r, is found by dividing its distance traveled, d, by its time spent traveling, t. write a formula for the average speed of a train. then solve the formula for d.

Part a: select all of the ordered pairs that are located on the graph of the equation. part b: does the graph of the equation represent a function? select all correct answers for part a and one answer for part b.

14. (05.02 lc) what is the value of y in the solution to the following system of equations? (5 points) 2x + y = −4 5x + 3y = −6

Solve x+3y=6 and 4x-6y=6 by elimination . show work !