Find the perimeter of the quadrilateral with vertices P(-2, 1), Q(-7, -4), R(-2, -9), and S(2, -4). Do not round before calculating the perimeter. After calculating the
perimeter, round your answer to the nearest tenth.
The perimeter is
units.

Apackage of bacon holds 15 strips of bacon. the pancake house uses 17 packages of bacon in the morning and 21 packages in the afternoon. how many more strips were used in the afternoon than the morning?

Which of the following expressions are equivalent ?

Hii1977 cleaner shrimp are a species of shrimp that clean parasites from other organisms. fish allow the shrimp to eat the parasites in their mouth. the shrimp get a source of nutrition. the relationship between the shrimp and the fish is this association indicates that for the smaill aneser arecommensal,mutualistic,or parasitic for the begger one the anser are the shrimp and fish benefit each other , the shrimp harm the fish, or the fish do not benetit from the shrimp