What is the radius of a circle whose equation is (x 5)2 (y – 3)2 = 42? A. 2 units
B. 4 units
C. 8 units
D. 16 units.

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

Someone answer this asap for the function f(x) and g(x) are both quadratic functions. f(x) = x² + 2x + 5 g(x) = x² + 2x - 1 which statement best describes the graph of g(x) compared to the graph of f(x)? a. the graph of g(x) is the graph of f(x) shifted down 1 units. b. the graph of g(x) is the graph of f(x) shifted down 6 units. c. the graph of g(x) is the graph of f(x) shifted to the right 1 unit. d. the graph of g(x) is the graph of f(x) shifted tothe right 6 units.

In a sale there is 25% of all prices a chair costs £45 in sale how much was it before the sale