Answer:

Step-by-step explanation:

Answer:
probability = area of shaded region / total area
P = π (y²-x²) /πy²
P = y²-x²/y²
Option D is correct ...
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Answer:
the answer is A
Step-by-step explanation:
y=-7/4x-3
Answer:
a) 1 hours and 25 minutes
b) 2 hours and 25 minutes
c) 1 hour
d) 30 minutes
Step-by-step explanation:
25/ 100 out of 5 = 1.25
45/100 out of 5 = 2.25
20/100 out of 5 = 1
10/100 of 5 = .5