Each deli sandwich made uses 3/8 pound of roast beef. Marisa started with 5 pounds of roast beef and now has 2 3/4 pounds left. How many deli sandwiches did she make?

Which of the following expressions is equal to 2x^2+8

The measure of angle 0 is 600 degrees

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