At school athletic events you can buy 3 drinks and 2 hot dogs for $4.80 or you can buy 1 drink and 1 hot dog for $2.00. how much does 1 hot dog cost? a $0.80

  $1.20

Step-by-step explanation:

The first combination tells you ...

  3d + 2h = 4.80

The second combination tells you ...

  1d + 1h = 2.00

Subtracting twice the second equation from the first gives you the price of a drink:

  (3d +2h) -2(1d +1h) = 4.80 -2(2.00)

  d = 0.80 . . . . . . the price of a drink

The second equation tells you ...

  h = 2.00 - d

  h = 2.00 -0.80

  h = 1.20

The cost of 1 hot dog is $1.20.

the first dot plot best represents the data

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the answer is (4,3)

since the rule for r0, 90º is (-y,x) and it was already applied to form the image, all you have to do is reverse the answer using this formula.