Atree casts a shadow 18 feet long. at the same time, a vertical rod 12 feet high casts a shadow 4 feet long. how long is the tree?

6/20

step-by-step explanation:

she would want to sell 10 full-year subscriptions and at least 9 half-year subscriptions to get a total of at least $300. 

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step-by-step explanation:

mark brainliest!

1) 2/5

2) zero=0/1

3) zero=0/2

4) -4/5

5) undefined=3/0