( Need help ASAP worth 40 points) Here are two circles their centers are A and F a:What length is segment AD? B: what is the diameter of the first circle? C: what is the radius of the second circle?

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.