The circumference of a circle is 62.8m find the radius of circle

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

The number of branches on a tree demonstrates the fibonacci sequence. how many branches would there be on the next two levels of this tree? 13 | | | m branches

Solve the equation below: (x+4)/6x=1/x a. x=2 b. x=0,2 c. x=-2 d. x=0,-2