The circle below is centered at the point (5, 3) and has a radius of length 4. What is its equation?

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

Which of the following parabolas opens up?