Alice is paying her bill at a restaurant. the tax on the cost of her meal is 5%. she decides to leave a tip of 20% of the cost of the meal plus the tax. write an expression for her total bill if the cost of her meal is m dollars. write your answer in simplified form.

i leave the calculator work to you.

7. diameter 4 miles, circumference 4π miles

8. radius 0.2 miles, circumference 0.4π miles

[this is a bad problem because the actual radius of a car on the track is less than 0.2 miles so the answer is less than 0.4π miles]

9. radius 6 feet, circumference 12π feet

10. diameter 14 cm, circumference 14π cm

11. diameter 4.8 feet, circumference 4.8π feet

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step-by-step explanation: