1000 people were randomly selected from a large population. The following information was recorded. 449 were males, 96 were left handed, 209 were at least 1.5 m tall 10 had all three of the above characteristics. How many had exactly 2 of these three characteristics if There were 501 right handed females under 1.5 m

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.