Identify the vertex, focus, and directrix for the parabola in the figure. directrix: y=7
vertex: (−2,5)
directrix: (0,7)
focus: (2,3)
focus: (−2,3)
vertex: y=7

The standard distance between studs in a house is 1.5 feet. if you have a set of blueprints for a house that mark every 1.5 feet with 2 in., by how many inches will a 13-foot wall be represented?

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

Aflower has 26 chromosomes. to create a new flower, how many would a sperm cell have what is called?