Find tangent line at x=\pi , given: y=3sin^(2 )/(2))

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Which of the following is closest to 32.9 x 7.5? a: 232 b: 259 c: 220 d: 265

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.