Point P(−3.20, −6.05) is a reflection across the x-axis of which of the following points? A. (−6.05, −3.20) B. (−3.20, 6.05) C. (3.20, −6.05) D. (6.05, 3.20)

If value of cos330° is √3/2 then find tan165°.

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?

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.