Give an example that shows why you need to reverse the sign when dividing or multiplying an inequality by a negative number.

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

Luke wants to reduce the area of his rectangular garden by 1/4 the expression 14/w can be used to represent this change. what is another way to write this expression?