Answer:
#6:
A: 
Step-by-step explanation:
Points: (3, -5) and (-7, -1)
Slope Formula: 



Answer:
11.1m/s to the right
Step-by-step explanation:
Momentum before = momentum after
m₁u₁+m₂u₂=(m₁+m₂)v
1000(20)+800(0)=(1000+800)v
20000 = 1800 v
v= 11.1m/s to the right (to the right because the number is positive)
Answer:
90 Degrees
Step-by-step explanation:
The square at the bottom left corner of the triangle is ALWAYS equal to 90 degrees. I hope this helps :)