Answer:
400
Step-by-step explanation:
if the train travel in 150miles in 3hr then\
150/3=50miles a hr
50 x 8 = 400 miles
Your final Andrew will be letter c
X=1, x=-7 would be the correct answer.
It will always be on the first or third quartile of the graph, or the point will always be on the “left side” of the graph. Brainliest answer?;)
I can't read that language but I'll guess it says write a second degree equation then solve for n when d=10.



Answer: n² - 3n - 20 = 0
That doesn't factor so there is no integer n solution.
That means there are no polygons with 10 diagonals.
