There are 15 neon tetras and 12 betta fish in a fish tank. What is the ratio of betta fish to the
total number of fish? Write the ratio on simplest
form.
Read the question very carefully, notice the phrase "total number of fish"

HELP PLEASE

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap