Find the output of the function machine, marked z on the diagram.
6 + boxed :3 → boxed X4 → Z

3.how is solving radical equations different than solving linear equations?

step-by-step explanation:

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.