What is the rate of return when 15 shares of Stock A, purchased for $15/share, are sold for $330? The commission on the sale is $6. Rate of Return = [?] %​

(this is grade level 12)​

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.

Asap! i need this done today and i really don’t understand it. some one ! will mark

Francesca had 32 cups of flour and she uses 3/8. how much flour did francesca use? write the equation.