If you roll a 6 you receive a gold medal, if you roll a 4 or 5 you receive a silver, if you roll a 1, 2 or 3 you receive a bronze, given the above what are the theoretical probability of achieving a gold, a silver or a bronze medal?

Twenty-five percent of the customers entering a grocery store between 5 p. m. and 7 p. m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

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 statement is true? 2x^2-9x+2=-1