120+.5x=50+.7x
Subtract 50 from both sides and then subtract .5x from both sides to get 70=.2x. Then divide both sides by .2 to get x=350.
Triangle ABC is congruent to triangle MNC by SSS, AAA or AA .....!!
Answer:
see down
Step-by-step explanation:

Answer:
5 seconds per foot
Step-by-step explanation:
I think that the answer is d