Answer:
f2 = 5.22 + 6.82 - 2(5.2)(6.8) cos 166°
10000000 is the answer by multiplication
The correct answer choice is "3".
Well since she exercises 5 times a week, and each morning she runs 3 miles, you would do 3*5=15, so you subtract 15 from 30, which leaves 15. She bikes 3 miles each evening
