Stephan says that the numbers 38 and 40 are relatively prime. Explain why he is incorrect in making this statement

What is the exact area of a circle with a diameter of 50 centimeters? a.87.9 square centimeters b.379.9 square centimeters c.1962.5 square centimeters d.4923.5 square centimeters

Consider the function represented by the equation 1/2 j + 1/4 k equals 3 which shows the equation written in function notation with j as the independent variable

For a function f(x), a) if f(7) = 22 then f^-1(22) = b) f^-1(f(c)) =