Answer:
90.5 hours or 90 hours and 30 minutes
Step-by-step explanation:
100-9.5=90.5
Answer:
I would say choice A
Step-by-step explanation:
Hope this helps!
Answer:
29.71
Step-by-step explanation:
8+6+5pi
14+15.71
29.71
15.71 is approx 5pi
R could equal any number, but it has to be higher than 4, because 3+4=7.