Select the correct answer from each drop down menu. In the diagram, PN is perpendicular bisector of AB and the angle bisector of
Sin Cos x
Cos y
Cos(x-y)
Cos(x+y)

And Cos < CPN =
Sin x
Sin y
Sin(x+y)
Sin(x-y)

Anumber cube is rolled two times in a row. find the probability it will land on 2 on the first roll and a number greater then 4 on the second roll

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.

What ratio is proportional to 18/21