Number of choices per question = 5
Number of wrong answers = 4
P(wrong answer) = 4/5
Answer: 4/5
angleD=(7b+1)angle E=(2b+1)and angle F=(b+8)
1) Tanθ= opposite/adjacent
θ=Tan-1(9/7)
θ=52.125 = 52 degrees
2) Cosθ= adjacent/hypothesis
θ=Cos-1(5/12)
θ=65.376 = 65 degrees
Answer:
b.
Step-by-step explanation:
rise step-chickens!!!!
Answer:

Step-by-step explanation:
Probability: 
