Answer:
A. 15
Step-by-step explanation:
Using the Pythagorean Theorem:
a^2+b^2=c^2
9^2+12^2=c^2
81+144=c^2
225=c^2
c=15
4 weeks
15 x 8 = 120, so Troy bikes 120 miles each day
3360/120 = 28 days or 4 weeks
4
