Answer:67.5294117647
Step-by-step explanation: Or 67.5
For this case we have the following polynomial:

We make the following change of variables:

Rewriting we have

Factoring the second order polynomial we have:

Then, returning the change we have:

Finally, we factor the expression in the parentheses of the second term:

Answer:
the completely factored form is:

Answer:
Circumference : 18.84 inches
Radius: 3 inches
6, 2, -2 i could be wrong :/
Because they are math buddies say 2x2=4. You can divide 4÷2 and get your original factor (2)... Sorry if it's wrong I think that's what it means ,hope it helps!