Answer:
what are the equations?
Step-by-step explanation:
Answer:
angle b = 40 degrees
Step-by-step explanation:
Because angle a + angle b = 90 degrees
50 + angle b = 90
angle b = 90 - 50 = 40 degrees.
Answer:
D
Step-by-step explanation:
The line is going through the origin.
Answer:
C
Step-by-step explanation:
C, because the second line keeps adding 6 to it and, the third line keeps adding 7.