Answer:
Step-by-step explanation:
She earns 32.40 for working 4 hrs.....32.40/4 = 8.10 per hr
y = 8.10h...where y is the amount of money earned and h is the number of hrs worked
Pie goes on forever, so you round it to 3.14.
3.14*2= 6.28
Hope that helped!
Step-by-step explanation:
R = 6.5cm and r = 2.3 cm
area of the shaded region = area of the outer circle - area of the inner circle
= πR²-πr²
=π(R²-r²)
=π{(6.5)²-(2.3)²}
=π (42.25-5.29)
= 3.14× 36.96
= 115.866
= 116 cm²
Answer:
Option "D" is correct.
Step-by-step explanation:

To eliminate negatives
They are interchanged thus it gives us option D.