Answer:
12
Step-by-step explanation:
<h2>3 ÷1/<u>4= 12</u></h2>
The formula is 2pi(radius) so 13*2*pi=26pi
B) 29
Because 20^2+21^2=c^2
You would first do $120 (0.6) = $72
$72 + $120 = $192
Hope this helped! Good luck!!! :)

This is the solution of the equation, where a=1, b=-5, c=7
So the discriminant is :
b^2-4ac=25-4*7= -3
The square root of -3 is non-real, this both solutions are non-real.