If point C is the circumcenter, find each missing value.

please help

What is the perimeter, p, of a rectangle that has a length of x + 8 and a width of y − 1? p = 2x + 2y + 18 p = 2x + 2y + 14 p = x + y − 9 p = x + y + 7

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

What does independent variable and dependent variable mean in math?