Answer:
The second and third
Step-by-step explanation:
can you show the number line please
y=π=3.1416, nearly
∠A + ∠B = 90° {given they are complementary}
5x+ 15 + 30 = 90
5x + 45 = 90
5x = 90 - 45
5x = 45
x = 45/5
x = 9