Every time jason buys 2 red marbles he buys 1 blue marble. if y = the number of red marbles jason buys, and x = the number of blue marbles jason buys, which graph represents this direct variation?

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b)
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d)

Using graph paper, determine the line described by the given point and slope. click to show the correct graph below.(0, 0) and 2/3

Which of the following will form the composite function?

David and alton are training for a race. they spend 35 minutes stretching and then go on a 5 mile practice run. david runs at a pace of 7 min/mile. alton runs at a pace of 8 min/mile. write an equation for each runner that shows the total length of their workout. then solve each equation showing your work