Answer:
12
Step-by-step explanation:
Given:3x+y=6
Value of
6x+2y=12
Since is the result of the equation 3x+y multiply by 2
So,
The circumference of a circle is

Substitute 15 for d

47.1
47
Your hand would move 47 inches.
The curves

and

intersect at approximately

. The area is then
Thomas can spend $118.50 per day