In science class, the girl to boy ratio is 3 to 7, if there are 50 students total in class, how many are boys

What is the length of the missing leg in this right triangle? 18 mm 24 mm 26 mm 32 mm

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

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid