Answer:
Option 4
Step-by-step explanation:
B = D = 75
A = C = 180 - 75 = 105
a. is 3
(1/3)* (6+3) = 3
Answer: 7%
-7.5x = -5.61 - 0.39
x = -6 /-7.5
x = 0.8
