Lauren will be a new sophomore at Davis High next year. She will take biology, Secondary 2 Math, and Spanish next year. She will have 1 of the 3 teachers who teach biology, 1 of the 4 teachers who teach Secondary 2 Math, and 1 of the 2 teachers who teach Spanish. From among these 9 teachers, how many possibilities are there for Laurent's 3 teachers for the 3 classes?

The ratio of rock songs to dance songs on jonathan’s mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?

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

What dimensions can créate more than one triangle ?