Answer:
16.3 = 16 
Step-by-step explanation:
0.1 is equivalent to 1/10 or one tenth so 0.3 = 3/10
Answer:
9 to 4
Step-by-step explanation:
If you divide each of the first numbers on the answers by each of the second numbers they all become a ratio of 2 to 1 except for 9 to 4.
Answer:
$180
Step-by-step explanation:
I assume each path
is oriented positively/counterclockwise.
(a) Parameterize
by

with
. Then the line element is

and the integral reduces to

The integrand is symmetric about
, so

Substitute
and
. Then we get

(b) Parameterize
by

with
. Then

and

Integrate by parts with



(c) Parameterize
by

with
. Then

and

Answer: 8.51
Step-by-step explanation: