Samantha earned $700 this summer. if she deposits the money in a savings account, how many years will it take her to earn $196 in interest at a simple annual rate of 4% a: 6 b: 7 c: 8 d: 9

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

true

explanation: