Tiana's Cafe offers two kinds of espresso: single-shot and double-shot.
Yesterday afternoon, the cafe sold 100 espressos in all, 80 of which were
single-shot. What percentage of the espressos were single-shot? *

∆red ≅ ∆ by rule will give brainiest if possible

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

Over the course of a month, a person's weight decreases. what type of relationship is this? a. positive relationship