D = 545.79
r = 48.3
Plug in numbers to corresponding variables
545.79 = t(48.3)
Isolate the t, divide 48.3 from both sides
(545.79)/48.3 = 48.3t/48.3
t = 545.79/48.3
t = 11.3
t = A) 11.3 h
hope this helps
Answer:A
Step-by-step explanation: first u add them then divide them then minus them that’s all
With the given order of integration, the interval over D is

No because if you do -5+10= it equals positive 5 and not a negative number.