Answer:
First Answer: 12.5 weeks
Third Answer: 16 minutes(I think it was a really long decimal so I rounded it up)
RU = 9
ST = 3
Step-by-step explanation:
RT = 6
RS = ST = (1/2)RT = (1/2)(6) = 3
RU = 3ST = 3 * 3 = 9