Which of the following choices best describes why it is difficult to start a self improvement plan?
a.
self improvement plans usually take too long to show results
b.
self improvement plans almost never succeed and are a waste of time
c.
self improvement plans require people to admit they need improvement
d.
self improvement plans are too expensive for most people

Match each definition in column 1 with a vocabulary word from column 2." some of the entries in column 2 do not apply costs which do not change with the level of output costs which change with the level of output the change in total costs resulting from an increase in output by one unit function showing the quantities of a particular good demanded at a range of price when the quantity supplied of a good is greater than the quantity demanded when the quantity demanded for a particular good is greater than the quantity supplied the price and quantity determined in a market when the supply equals the demand when revenue exceeds costs when costs exceeds revenue output where revenue = costs