How do you turn z to the 1st power into a fraction?

Determine the relationship of ab and cd given the following points

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.