HELP I WILL GIVE BRAINLIEST

Why do interests rates on loans to be lower in a weak economy than in a strong one

The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?