Which of the following data sets is most likely to be symmetric? Select one:
a. Yearly household income in California
b. Heights of adult males
O c. Age at death in U. S.
O d. Exercise hours per week
Clear my choice

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.