Alan can run 6 miles in 48 minutes. if he maintains the same pace, what is the greatest number of miles he can run in 192 minutes?

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

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

Tan198=asin164=? how to solve this? ?