A farmer saw some chickens and pigs in a field. He counted 50 heads and 154 legs. Determine exactly how many chickens and plgs he saw.

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

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.

Which expression is a perfect cube? a. x8 b. y24 c. m28 d. x64