40 points and !

which of the scenarios can the following graph describe?

a.
the speed of a hiker who climbs up and then down a mountain

b.
the value of a company as it is created and then goes bankrupt

c.
the total distance traveled as you drop off something at the post office and then travel to your neighbor's house before going back home

d. the height of an airplane from the time it takes off to its maximum elevation

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

Ateam of runners is needed to run a 1 2 -mile relay race. if each runner must run 1 4 mile, how many runners will be needed?

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25