Alg. 1 HELP! {+21 FREE POINTS} If it took 7 seconds for the cannonball to reach the ground, what would its vertical speed be as it is striking the ground? Answers:
*0 m/s
*70 m/s
*7 m/s
*10 m/s

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

Mr.walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?

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