Dorothy is installing purple and white tile in her kitchen she made a diagram of the layout showing the area of both colors which two expressions that describe the area of the purple tile

3.4a=57.8 what is the the value of a

Interpret the following expression (5y^2-7)^3/(2y)^2

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.