Answer:
3/4(-10+2+2/5)
answer -5.7
Step-by-step explanation:
-
Answer:
9 and -5
Step-by-step explanation:
9*-5=-45
9+-5=4
Looks like you have most of the details already, but you're missing one crucial piece.
is parameterized by

for
and
, and a normal vector to this surface is

with norm

So the integral of
is

Multiples of 4: 4,8,12,16,20,24,28,32,36,40,44,48,52,56,60
12 24 36 and 48 are the only common factors
so 4 days