Answer: 
Step by step:

(Used a table of common angles)
She used 180 beads because 45x4 =180
Answer:
The x-value is -2
Step-by-step explanation:
U can substitute any of the equations for y
-5x + (-9) = 2x + 5
-9 = 7x + 5
-14 = 7x
-2 = x
x = 2
Answer:
1/3 or 3/6 they are the same thing
Step-by-step explanation: