In 2012, five U. S. postal stamps cost $2.20. How much did seven stamps cost? Use cross multiplication to solve the proportion.

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол

Five infinity stones cost $16.80. what is the price per infinity stone ?

The table below shows the number of free throw shots attempted and the number of shots made for the five starting players on the basketball team during practice. each player's goal is to make 80% of her shots.