At Michael's school, 38% of the students have a pet dog and 24% of the students have a pet cat Michael found that 11% of the students had both a pet dog and a pet cat. What is the probability that a randomly chosen student at michaels school will have a pet dog or a pet cat

The product of two negative rational numbers is always zero sometimes zero never zero

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

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3