Answer:
7.07107cm
Step-by-step explanation:
d= 
Answer:
20 degrees.
Step-by-step explanation:
The 3 angles of a triangle add up to 180 degrees.
Therefore the third angle in this triangle
= 180 - (120 + 40)
= 180 - 160
= 20 degrees.
Answer:

Step-by-step explanation:

False, they have a different slope and y intercept
1. false because they have the same slope and y-intercept so they have infinite number of solutions
2. true