Answer:
A good rule is to change 10 to 15 percent of the water each week. If your tank is heavily stocked, bump that up to 20 percent each week. A lightly stocked aquarium can maybe get by for two to four weeks, but this should be the maximum length of time between water changes.
Step-by-step explanation:
This is the correct answer you want
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Answer:
points go at -3 on the line and at 9 one above the line
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Answer:
B) ∠ 5
C) ∠ 4
F) ∠ 6
Step-by-step explanation:
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D means common difference which is the last term minus second last term .
and u can use this formula only if there is a common difference.
