Which is an ion found in a glass of water?
.
N+
O-
OH-
H-

Use the data on the dot plot to answer the question. how many people read for more than three hours last week? i'm on a unit test review

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)

This is about circle theorems. someone asap : (