For which X is the unit cost the least? K(x)=3000+3x^2−5x where X is produced quantum

For which production quantity is the marginal cost equal to the average cost?

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?

Suppose y varies directly with x. write a direct variation equation that relates x and y. then find the value of y when x=12 y=7 when x=3

The volume of a box varies directly with its length if a box in the group has a length of 30inches and k=24 what is its volume