Step-by-step explanation:

The appropriate choice is ...
A. 3 radians
_____
Arc length (s) is given in terms of radius (r) and central angle (θ) in radians by the formula
s = rθ
When you substitute your given information, you have
3r = rθ
Dividing by r gives
θ = 3 . . . . . . . radians
Answer:
53.47$
Step-by-step explanation:
Find 7% of 43.45: 7/100 x 43.45= 3.0415
Add the tax to the meal price: 43.45+3.0415= 46.49
Find 15% of 46.49: 15/100 x 46.49= 6.9735
Add the tip to the total: 53.47$
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