Find the geometric mean between 7 & 11. select one:
a. 4√6 or appx. 9.8
b. 170/18 or appx 9.4
c. √77 or appx. 8.8
d. 9

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

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

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)