The answer is Associative
D 3 it is a 3 hours difference
It would just be the tot foot time the cost
7.5 X 0.50 = $3.75
The area would be approximately 153.94.
The area of a circle is pie multiplied by r^2.
So you have the radius, which is r. Plug in r. Technically you have two numbers because pie equals approximately 3.14.
A=3.14(7)^2
